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    793FEATURE ARTICLE

    Correspondence to: Dr. Anastasia A. Katou, Lecturer in OB and HRM, Department of Marketing and Operations Management, University of Macedonia,540 06 Thessaloniki, Greece, 0030-2310-819921 (phone), [email protected].

    Published online in Wiley Onl ine Library (wileyonlinelibrary.com)

    2012 Wiley Periodicals, Inc. DOI: 10.1002/tie.21504

    The Link Between HR

    Practices, PsychologicalContract Fulfillment,and Organizational

    Performance:The Caseof the Greek Service

    SectorBy

    Anastasia A. Katou

    Pawan S. Budhwar

    The purpose of this study is to investigate the impact of human resource (HR) practices on organiza-

    tional performance through the mediating role of psychological contract (expressed by the inuence

    of employer on employee promises fulllment through employee attitudes). The study is based on a

    national sample of 78 organizations from the public and private services sector in Greece, including

    education, health, and banking, and on data obtained from 348 employees. The statistical method

    employed is structural equation modeling, via LISREL and bootstrapping estimation. The ndings of

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    794 FEATURE ARTICLE

    Thunderbird International Business Review Vol. 54, No. 6 November/December 2012 DOI: 10.1002/tie

    However, most literature refers to the employeremployee

    relationship in terms of attitudinal consequences and less

    on its effect on organizational performance (Nelson &

    Tonks, 2007; Pate, Martin, & McGoldrick, 2003).

    Psychological contract research has tended to focus

    on the implications of psychological contract violationrather than psychological contract fulfillment (Grimmer

    & Oddy, 2007; Nelson & Tonks, 2007). Psychological

    contract violation occurs when employees believe that

    the organization has failed to fulfill its promises (also

    see Baker, 2009). This study, however, is focused on the

    employer promise fulfillment as perceived by employ-

    ees, who are likely to reciprocate by fulfilling their own

    promises (Conway & Briner, 2005; de Jong, Schalk, &

    de Cuyper, 2009). This is because it is argued that the

    outcomes of the psychological contract are more strongly

    related to the fulfillment of promises than to promises

    per se (Lambert, Edwards, & Cable, 2003).However, it is further argued that:

    When psychological contracts are sound and perceived

    to be honored, it does not necessarily mean that

    performance levels will be enhanced. Rather, when a

    contract is not sound and is perceived not to be hon-

    ored or is somehow unbalanced, then it will act as a

    de-motivator and result in various levels of withdrawal

    behavior (Sparrow, 1998). It must be said, however,

    that there is a conceptual ambiguity surrounding the

    causal association in the employment relationship, and

    the actual empirical relationship for this relationshipis scant (Guest, Conway, Briner, & Dickman, 1996).

    (Westwood, Sparrow, & Leung, 2001, p. 624)

    Research has also suggested, though perhaps not

    strongly empirically tested, that HR practices may be a

    key predictor of employee perceptions of the psycho-

    logical contractboth employer and employee fulfill-

    ment of their obligations. Specifically, it is argued that

    a major function of human resource management is to

    Introduction

    Psychological contract is defined as an individu-

    als system of belief, shaped by the organiza-

    tion, regarding terms of an exchange agreement

    between him/herself and the organization (Rousseau &Greller, 1994, p. 385). Psychological contract is impor-

    tant because previous research has shown it to influence

    important employee and organizational outcomes, such

    as employee attitudes and organizational performance.

    Specifically, it is argued that changes in psychological

    contract may have an impact on employee attitudes such

    as motivation, commitment, and satisfaction (Robinson &

    Morrison, 1995; Shore & Tetrick, 1994; Sparrow, 1998).

    Accordingly, changes in employee attitudes may have an

    influence on organizational performance (Boselie, Dietz,

    & Boon, 2005; Guest, 1997; Paauwe & Richardson, 1997).

    the study suggest that employee incentives, performance appraisal, and employee promotion are

    three major HR practices that must be extensively employed. Furthermore, the study suggests that

    the organization must primarily keep its promises about a pleasant and safe working environment,

    respectful treatment, and feedback for performance, in order for employees to largely keep their

    own promises about showing loyalty to the organization, maintaining high levels of attendance, and

    upholding company reputation. Additionally, the study argues that the employee attitudes of motiva-

    tion, satisfaction, and commitment constitute the nested epicenter mediating construct in both the HR

    practicesperformance and employeremployee promise fulllment relationships, resulting in superior

    organizational performance. 2012 Wiley Periodicals, Inc.

    Psychological contract is

    important because previ-

    ous research has shown

    it to influence important

    employee and organizationaloutcomes, such as employee

    attitudes and organizational

    performance.

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    The Link Between HR Practices, Psychological Contract Fulllment, and Organizational Performance: The Case of the Greek Service Sector 795

    DOI: 10.1002/tie Thunderbird International Business Review Vol. 54, No. 6 November/December 2012

    FIGURE1 An HR PracticesPsychological ContractOrganizational Performance Linkage Framework

    HR Practices

    Resourcing Training Rewards Relations

    Employee

    Attitudes

    Satisfaction Commitment Motivation

    Organizational

    Performance

    Effectiveness Efficiency Development Innovation Quality

    Employer

    Promises

    Fulfillment

    Transactional Relational

    Employee

    Promises

    Fulfillment

    Transactional Relational

    Organizational Contingencies: Ownership, Size Individual Contingencies: Gender, Age, Seniority, Position

    Psychological Contract Fulfilment

    The unmediated HR Practices effect?

    The unmediated Employer Promises Fulfillment effect?

    cultivate a positive psychological contract that will lead

    to greater employee commitment and satisfaction and

    thus to improved organizational performance. Particu-

    larly, Suazo, Martinez, and Sandoval (2009) describe the

    means by which human resource practices can create psy-

    chological contracts, and argue that research on HRM

    practices as antecedents to psychological contracts is in

    need of further development (p. 160), something that

    we propose to investigate in this study. On the whole,

    taking into consideration that the psychological contract

    in this study is reflected on the degree that employee

    promise fulfillment is influenced by employer promise

    fulfillment, we further assume that HR practices are ante-

    cedents of employer and employee promise fulfillment

    (Suazo et al., 2009).

    Although the concept of psychological contract has

    been largely investigated over the past years, more

    research is needed in order for it to become a reasonable

    framework for understanding the interactions betweenemployers and employees (Guest, 2004). Specifically,

    there is a lack of empirical work in the field (Pate

    et al., 2003) investigating causal orderings between the

    relationships involved (Aryee, Budhwar, & Chen, 2002;

    Cropanzano & Mitchell, 2005; Coyle-Shapiro & Shore,

    2007), and there is a need for more studies examining

    both employer and employee perspectives of the psy-

    chological contract (Baker, 2009). Therefore, the study

    aims to test a model hypothesizing a mediating role for

    employee perceptions of both employer and employee

    fulfillment of their psychological contract obligations in

    the relationship between HR practices and organizationalperformance.

    Moreover, considering that there is poverty of

    research on psychological contract outside Western econ-

    omies (Westwood et al., 2001, p. 648) we also propose

    to extend previous US-centric psychological contract

    research into a previously untested cultural/societal

    context, such as the Greek services sector. Greece is a

    peripheral country in the European Union that both

    influences, and is influenced by, the Balkan and the Black

    Sea countries. The Greek, Balkan, and Black Sea coun-

    tries cultural and economic context is rather differentfrom the West European countries context. Therefore,

    it would be interesting to extend the debate on the role

    of human resource management (HRM) and psychologi-

    cal contract in improving organizational performance to

    countries such as Greece.

    Overall, there is a lack of previous psychological con-

    tract research treating organizational performance as the

    ultimate dependent variable (de Jong et al., 2009). There

    is also a lack of psychological contract research referring

    to employer and employee promise fulfillment (Grimmer

    & Oddy, 2007; Nelson & Tonks, 2007). Further, there is

    a scarcity of research considering that HR practices areantecedents of employer and employee promise fulfill-

    ment (Suazo et al., 2009), especially for non-Western

    contexts investigating the HR practicespsychological

    contractorganizational performance relationship (Pate

    et al., 2003). Therefore, the aim of this study is to inves-

    tigate the impact of HR practices on organizational

    performance through the mediating role of psychologi-

    cal contract, expressed by the influence of employer on

    employee promise fulfillment in the Greek service-sector

    context.

    Research Model and Hypotheses

    Building on the contributions of Guest and Conway

    (2004) and Purcell, Kinnie, and Hutchinson (2003),

    Figure 1 presents an operational model linking HR

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    796 FEATURE ARTICLE

    Thunderbird International Business Review Vol. 54, No. 6 November/December 2012 DOI: 10.1002/tie

    Relational contracts involve long-term, less specific, and

    monetary- and non-monetary-in-nature beliefs such as

    job security, loyalty, training and development, career

    development, commitment, and trust (Cavanaugh &

    Noe, 1999; Robinson, Kraatz, & Rousseau, 1994; Rous-

    seau, 1990).

    Psychological contract literature, further, argues thatfulfillment of the employer promises will be reciprocated

    by employee satisfaction, commitment, and motivation

    (Coyle-Shapiro & Kessler, 2000). For example, Robinson

    and Rousseau (1994) and Guest et al. (1996) support the

    view that employer contracts influence job satisfaction

    and organizational commitment. Bies and Tripp (1995)

    argue that the state of the psychological contract in terms

    of fulfillment or breach will result in positive or nega-

    tive employee attitudes, respectively, which in turn will

    have an impact on employees in fulfilling their promises.

    Coyle-Shapiro and Kessler (2000), Robinson (1996), and

    Sturges, Conway, Guest, and Liefooghe (2005) supportthe view that employer promise fulfillment is positively

    related to employee commitment, supporting addition-

    ally that these attitudes will bring significant benefits

    to the organization in the form of increased efficiency.

    Generally, in cases where employees are satisfied, com-

    mitted, and motivated, they will keep their promises to

    the organization.

    Accordingly, we hypothesize that:

    Hypothesis 1: Employee attitudes will mediate the relationship

    between employer promise fulfillment and employee promise

    fulfillment.

    The HR Practices System

    It is argued that HR practices, such as employee resourc-

    ing, development, rewards, and relations, influence psy-

    chological contracts by shaping employer and employee

    practices, psychological contract, and organizational per-

    formance. The proposed operational model assumes

    that the state of the psychological contract mediates the

    relationship between HR practices and organizational

    performance. Specifically, the model is constituted by two

    related systems: the psychological contract system and the

    HR practices system. The first system refers to psychologi-cal contract that is expressed by the relationship between

    employer promise fulfillment (e.g., transactional, rela-

    tional) and employee promise fulfillment (e.g., transac-

    tional, relational) mediated by employee attitudes (e.g.,

    satisfaction, commitment, motivation). This system is

    based on the notions of reciprocity and social exchange,

    whereas if the employer upholds his side of the bargain,

    this will make employees satisfied, committed, and moti-

    vated, and so they will reciprocate by upholding their

    side of the bargain (Coyle-Shapiro & Kessler, 2003; Rous-

    seau, 1995). The second system refers to the relationship

    between HR practices (e.g., resourcing, development,rewards, relations) and organizational performance (e.g.,

    effectiveness, efficiency, development, innovation, qual-

    ity). This system is based on the high performance HR

    practices concept, whereas HR practices influence orga-

    nizational performance because of psychological contract

    fulfillment (Rousseau, 1995). In particular, the specific

    systems of the proposed model are explained below.

    The Psychological Contract System

    Employees keep their promises according to the behavior

    of the good employer, or the history of the orga-

    nization in keeping its promises to employees (Purcell& Hutchinson, 2007; Rousseau, 1995). Specifically, in

    the context of the employment exchange relationship,

    employees keep their promises if employers also keep

    their promises (Coyle-Shapiro, 2002; Coyle-Shapiro &

    Kessler, 2003). Reciprocityconstitutes a core component in

    the psychological contract, meaning that employees posi-

    tively respond to favorable behavior from their employ-

    ers (Rousseau & McLean Parks, 1993). In cases where

    employees believe that employers have broken their given

    promises, this will have a negative effect on employee

    promises fulfillment (Coyle-Shapiro & Kessler, 2000).

    In the proposed model, employer and employee

    promise fulfillments are two related parts of psychological

    contracts. However, although psychological contracts are

    highly subjective (McDonald & Makin, 2000), there are

    some common features that categorize psychological con-

    tracts into transactionaland relationalcontracts (MacNeil,

    1985; Rousseau, 1990). Transactional contracts involve

    short-term, specific, and monetary-in-nature beliefs such

    as competitive wage rates and performance-based pay.

    Generally, in cases where

    employees are satisfied,committed, and motivated,

    they will keep their promises

    to the organization.

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    The Link Between HR Practices, Psychological Contract Fulllment, and Organizational Performance: The Case of the Greek Service Sector 797

    DOI: 10.1002/tie Thunderbird International Business Review Vol. 54, No. 6 November/December 2012

    and thus on organizational performance (Cavanaugh

    & Noe, 1999; Guest & Conway, 2004).

    Overall, based on the social exchange theory and

    the theories of reciprocity, the coherent story explain-

    ing our proposed model supports the view that the state

    of the psychological contract mediates the relationship

    between HR practices and organizational performance.Furthermore, in terms of the proposed model, the cat-

    egorization of psychological contracts into transactional

    versus relational may be used to clarify the empirical

    contribution of the study by measuring the degree of the

    influence on organizational performance of the various

    items that constitute employer and employee promise

    fulfillment. This is because the study area for testing the

    proposed model is Greece, where the current economic

    crisis from 2008 onward has affected its workplace, by

    substantially increasing its unemployment rate due to the

    downsizing of organizations, by significantly changing the

    nature of jobs, due to the preference of organizations touse more flexible employment contracts, and by consider-

    ably changing processes and production technology, due

    to the efforts the organizations put in order to produce

    more innovative products that will meet the constant

    change of markets. Thus, considering the psychologi-

    cal contract system, the proposed model may also add

    promise fulfillment (Suazo et al., 2009). Specifically,

    employee resourcing, being the beginning of the employ-

    ment relationship, transmits the employment terms and

    conditions of the organization to the potential job

    applicants (Rynes, 1991). The emphasis the organiza-

    tion is putting on employee training and development

    usually reflects the view that the organization considersemployees as being part of its permanent employment

    (Gomez-Mejia, Balkin, & Cardy, 2004). Each of the com-

    ponents of employee rewards is capable of producing

    psychological contract by establishing the belief that the

    organizations employees are worth their long-term sala-

    ries (Gomez-Mejia et al., 2004). Good employee relations

    produce positive feelings in employees, who accordingly

    keep their promises to organizations (Robinson et al.,

    1994). Consequently, HR practices are likely to influence

    psychological contracts. This is because the appropriate

    use of HR practices will create a positive organizational

    environment that will influence the degree of employerand employee promise fulfillment (Marchington, 2001;

    Purcell et al., 2003; Suazo et al., 2009). Thus, HR prac-

    tices determine the status of psychological contracts by

    shaping the day-to-day behaviors of the members in an

    organization (Rousseau, 1995).

    Consequently, a major function of HR practices is to

    cultivate a positive psychological contract that will lead to

    improved organizational performance (Pate et al., 2003;

    Suazo et al., 2009). This means that HR practices produce

    positive psychological contracts, reflected in the positive

    attitudinal reactions with respect to organizational com-

    mitment (Rousseau, 1990; Robinson & Rousseau, 1994;Robinson et al., 1994; Lemire & Rouillard, 2005), work

    satisfaction (Sutton & Griffin, 2004), and motivation

    (Lester, Claire, & Kickull, 2001), which consequently

    will improve organizational performance. Therefore, we

    hypothesize that:

    Hypothesis 2: Psychological contract fulfillment will mediate

    the relationship between HR practices and organizational

    performance.

    Contingencies

    Several organizational contingencies, such as ownership

    (e.g., public, private), and size, and individual contin-

    gencies, such as gender, age,years in organization (senior-

    ity), and position in organization (e.g., management,

    worker), may influence the HR practicespsychologi-

    cal contractorganizational performance relationship.

    This means that organizations do not operate in a

    vacuum, but contingencies may have a positive or nega-

    tive impact on HR practices and psychological contract

    Overall, based on the socialexchange theory and the

    theories of reciprocity, the

    coherent story explaining

    our proposed model supports

    the view that the state of the

    psychological contract medi-ates the relationship between

    HR practices and organiza-

    tional performance.

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    798 FEATURE ARTICLE

    Thunderbird International Business Review Vol. 54, No. 6 November/December 2012 DOI: 10.1002/tie

    involvement, communication) referring to the usual four

    key areas of resourcing, development, reward, and rela-

    tions, developed by Armstrong (1996). The items were

    measured on a scale ranging from 1 (low use) to 5 (high

    use). Specifically, the respondents were asked, How

    would you rate the use of the training and development policy

    in your organization?

    Fulllment of Employer Promises

    The construct of fulfillment of employer promises com-

    prised ten items, following the Chartered Institute of

    Personnel and Development (CIPD, 2008) psychological

    contract fact sheet, which contains items from both the

    traditional and the new psychological contract. Specifi-

    cally, items that have been used in the past to reflect the

    transactional nature of employer promises in the psycho-

    logical contract were pay commensurate with performance

    and an attractive benefits package, while items that have

    been used in the past to reflect the relational nature ofemployer promises in the psychological contract were

    opportunities for training and development, opportunities for

    promotion, recognition for innovation for new idea, feedback

    on performance, interesting tasks, respectful treatment, reason-

    able job security, anda pleasant and safe working environment

    (McDonald & Makin, 2000). Responses were made on

    a five-point scale ranging from 1 (very low) to 5 (very

    high). Specifically, the respondents were asked, How

    would you rate the fulfillment of the employer prom-

    ises with respect to the opportunities for promotionin your

    organization?

    Fulllment of Employee Promises

    The construct of fulfillment of employee promises com-

    prised ten items, following the CIPD (2008) psychological

    contract fact sheet, which contains items from both the

    traditional and the new psychological contract. Specifi-

    cally, items that have been used in the past to reflect the

    transactional nature of employee promises in the psy-

    chological contract were work hard, maintain high levels

    of attendance and punctuality, and work extra hours when

    required, while items that have been used in the past to

    reflect the relational nature of employee promises in the

    psychological contract were uphold company reputation,

    show loyalty to the organization, develop new skills and update

    old ones, be flexible, be courteous to clients and colleagues, be

    honest,and come up with new ideas (Robinson et al., 1994).

    Responses were made on a five-point scale ranging from

    1 (very low) to 5 (very high). Specifically, the respondents

    were asked, How would you rate the fulfillment of the

    employee promises with respect to working hard in your

    organization?

    information to the literature by measuring the strength

    of the influence of employers on employees promise

    fulfillment in terms of the transactional and relational

    associations.

    Method

    Sample

    Data for this research were collected in April and May

    2008 by means of a questionnaire survey that was admin-

    istered to the employees of public and private firms in

    the service sector, including education, health, and bank-

    ing, covering the entire country of Greece. The samplers

    were 120 executives attending development programs

    at a Greek business school who helped to collect data

    from their organizations. The samplers were asked to

    concentrate on six respondents from each firm; two at

    the management level (one from the HRM/Personnel

    Department and one from the Finance Department) andfour at other employees level (i.e., 720 questionnaires

    altogether). This is because psychological contracts are

    based on the perceptions and beliefs of individuals

    (McDonald & Makin, 2000). Thus, with respect to respon-

    dents, the study refers to multiple actors (e.g., managers,

    employees) and to multiple raters (e.g., different raters

    per unit of analysis) (Boselie et al., 2005), consider-

    ing that all structural variables reflect perceptions of

    individuals. Three hundred forty-eight usable question-

    naires were returned from the employees in 78 firms, a

    response rate of 65 percent at firm level and 48 percent

    at employee level.Of the sample of 78 firms, 61.5 percent had 20 to

    100 employees, and 38.5 percent had more than 100

    employees; 42.3 percent were public and 57.7 percent

    were private. Of the sample of 348 respondents, 48.3

    percent were male and 51.7 percent were female. The

    average age was 38.9 years old, and the average senior-

    ity was 10.3 years. The job status of the respondents was

    management 25.0 percent and other employees 75.0

    percent. The sector category of the respondents was 32.8

    percent public and 67.2 percent private. Finally, 69.8

    percent of the respondents were from firms having 20 to

    100 employees, and 30.2 percent from firms having more

    than 100 employees.

    Measures

    HR Practices

    The construct of HR practices comprised 12 items (e.g.,

    recruitment, selection, flexible work arrangements, work

    design, performance appraisal, training and develop-

    ment, compensation, promotion, incentives, participation,

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    Thunderbird International Business Review Vol. 54, No. 6 November/December 2012 DOI: 10.1002/tie

    TABLE

    1

    MeansandStanda

    rdDeviations,ConsistencyandReliabilityMeasures,andBivariateCorrelationsforAlltheVariablesUsed

    Mean

    (standard

    deviation)

    Cronbach

    Alpha

    Percentage

    ofvariance

    explained

    Construct

    Reliability+

    1

    2

    3

    4

    5

    6

    7

    8

    9

    10

    11

    1

    HR

    practices

    3.429

    5

    (0.843

    85)

    0.922

    57.46

    0.940

    [0.754]++

    2

    Employerpromise

    fulllment

    3.509

    7

    (0.901

    77)

    0.930

    67.44

    0.958

    0.732*

    [0.812]

    3

    Employeepromise

    fulllment

    3.835

    2

    (0.743

    38)

    0.897

    60.43

    0.924

    0.544*

    0.641*

    [0.743]

    4

    Attitudes

    3.668

    6

    (0.951

    79)

    0.875

    87.59

    0.930

    0.580*

    0.681*

    0.680*

    [0.903]

    5

    Organizational

    performance

    3.975

    7

    (0.850

    33)

    0.911

    83.35

    0.944

    0.666*

    0.783*

    0.729*

    0.754*

    [0.882]

    6

    Ownership

    0.481*

    0.410*

    0.352*

    0.369*

    0.480*

    1

    7

    Size

    0.258*

    0.258*

    0.283*

    0.288*

    0.295*

    0.256*

    1

    8

    Gender

    0.057

    0.009

    0.033

    0.161*

    0.081

    0.049

    0.202*

    1

    9

    Age

    0.028

    0.028

    0.069

    0.058

    0.002

    0.029

    0.054

    0.329*

    1

    10

    Seniority

    0.128**

    0.111**

    0.115**

    0.119**

    0.117**

    -0.201*

    0.058

    0.248*

    0.732*

    1

    11

    Position

    0.274**

    0.284**

    0.068

    0.121**

    0.206*

    0.191*

    0.143*

    0.199*

    0.500*

    0.317*

    1

    *Correlationissignicantatthe0.01level.

    **Correlationissignicantatthe0.05level.

    +C

    onstructreliability=

    (

    )

    +

    i

    2i

    2

    i

    i

    2

    i

    i

    -1

    /

    whereli=standardizedloading.

    ++D

    iagonalguresinbracketsrepre

    sentsquaredrootaveragevarianceextracted(AVE).

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    The Link Between HR Practices, Psychological Contract Fulllment, and Organizational Performance: The Case of the Greek Service Sector 801

    DOI: 10.1002/tie Thunderbird International Business Review Vol. 54, No. 6 November/December 2012

    validity (Hair et al., 2008). Construct composite reliabilitywas

    assessed by examining the calculated composite reliability

    scores (Pavlou & Gefen, 2005). The figures in Table 1

    indicate that the degree of construct reliability is accept-

    able, since all reliability scores exceed 0.90. Construct

    discriminant validity was assessed by examining whether

    the correlation coefficients between pairs of constructswere significantly different from unity, and by examining

    whether the square root of each factors AVE is larger

    than its correlations with other factors (Gefen & Straub,

    2005). Table 1 presents the correlation coefficients of

    all constructs used in the study. It is seen that the cor-

    relation coefficients are significantly different from unity,

    and they are smaller than the square root of each factors

    AVE, providing thus evidence for separate constructs.

    Although the correlation matrix highlights some high

    correlations, multicollinearity among these constructs is

    not a serious concern since all relevant checks such as

    condition index (largest CI = 5.484 less than 10), toler-ance values (smallest TOL = 0.356 significantly greater

    than zero), and variance inflation factors (largest VIF =

    2.806 less than 10) did not suggest evidence of significant

    multicollinearity (Kleinbaum, Kupper, & Muller, 1988).

    Similarly, the Koenker and Basett (1982) chi-squared test

    (x 2(1) = 0.696 not significant at 0.05 level) indicated that

    there is no heteroskedasticity in the error terms.

    To reduce the common method bias threat in the

    survey design, we asked multiple respondents from each

    organization to answer the questions of the questionnaire

    (Lindell & Whitney, 2001). However, taking into consid-

    eration that some correlation coefficients were ratherhigh, Harmans (1967) single-factor test was used to

    examine the likelihood of common method bias threat.

    According to this test, the simultaneous loading of all

    items in a factor analysis revealed six factors, and not just

    one, with the first factor covering only 18.106 percent of

    total variance explained, indicating thus that the com-

    mon method bias in the data was rather limited.

    Statistical Analysis

    To test the raised research questions of the proposed

    framework, the methodology of structural equation mod-

    els (SEMs) or latent variable models (Hair et al., 2008)

    was used, via LISREL and bootstrapping estimation (see

    Jreskog & Srbom, 2004). SEM is effective when testing

    models that are path analytic with mediating variables,

    and include latent constructs that are being measured

    with multiple items (Luna-Arocas & Camps, 2008). We

    used bootstrapping because this method is considered

    to be the most appropriate method for testing mediation

    due to the fact that it does not require the normality

    assumption to be met (Shrout & Bolger, 2002). However,

    the general rule for SEM, that is, that the number of

    observations needed for each parameter is estimated to be

    between 8 and 12 observations (Hair et al., 2008), is not

    fulfilled in the present study. Although we could fulfill this

    rule by following procedures (Aryee et al., 2002) to reduce

    the number of items by creating fewer indicators for eachconstruct, we decided not to do so in order to have a gen-

    eral picture about all the items used in the study.

    We assessed the overall model fit following Bollens

    (1989) recommendation to examine multiple indices,

    since it is possible for a model to be adequate on one fit

    index but inadequate on many others. We used the chi-

    square test (with critical significant levelp> 0.05) and the

    normed-chi-square ratio (with critical level no more than

    3), the goodness of fit index (GFI; with critical level not

    lower than 0.80), the normed fit index (NFI; with critical

    level not lower than 0.90), the comparative fit index (CFI;

    with critical level not lower than 0.90), and the root meansquared error of approximation (RMSEA; with critical

    level not more than 0.08) (Bentler, 1990).

    Results

    Table 1 presents the means and the standard deviations

    of all the constructs used in the study, derived as weighed

    averages of confirmatory factor analyses applied to each

    group of relevant items. Furthermore, Table 1 displays

    the bivariate correlation coefficients between all con-

    structs used in the study. We observe strong, positive, and

    We observe strong, posi-

    tive, and significant correla-

    tions between HR practices,

    organizational performance,

    employee attitudes, andemployer and employee prom-

    ise fulfillment, supporting the

    hypotheses of the study.

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    The goodness-of-fit indexes confirmed the validity of

    this less parsimonious operational model (chi-square =

    1870.60, df = 1260,p-value = 0.000, normed-chi-square =

    1.48, RMSEA = 0.037, CFI = 0.99, NFI = 0.93, GFI = 0.83).

    In this case, we also considered that the value of the

    normed-chi-square is less than 3, in order to support the

    validity of the model.Comparing the results of the more parsimonious model

    (Figure 2) and the less parsimonious model (Figure 3),

    we see that the fit statistics of the results in Figure 3 are

    better than the results in Figure 2. Thus, we conclude

    that the complete model may be more preferred than the

    more parsimonious model, and, consequently, the rest of

    the study is devoted to the results of Figure 3. Consider-

    ing that both the direct and the indirect standardized

    effects are significant, we see that employee attitudes

    partially mediate the relationship between employer and

    employee promise fulfillment. Additionally, consider-

    ing that all indirect standardized effects of the variablesinvolved in the study are significant, we may infer that

    psychological contract fulfillment partially mediates the

    relationship between HR practices and organizational

    performance. However, we must note here that although

    the fit statistics for the model containing direct effects are

    stronger, the differences are only very small. Thus, the

    model fits the data very well, and therefore it could be

    argued for the sake of parsimony that the model, rather

    than the more complex model containing direct and

    indirect effects, is more preferable.

    Special reference should be made with respect to the

    contingencies used in estimation. Although we acknowl-edge that there is no sound theoretical rationale to

    consider organizational contingencies and individual con-

    tingencies as distinct factors,we still use these factors for

    estimation purposes only in order to isolate the impact

    of the independent variables on organizational perfor-

    mance (Boselie et al., 2005). Additionally, we must note

    here that although we tried all possibilities connecting

    contingencies with all the other constructs (Paauwe &

    Richardson, 1997), the only significant results obtained

    are those reported in Figures 2 and 3.

    Discussion

    Implications for Theory

    The theoretical significance of this study is fivefold.

    First, this study confirms and extends existing empiri-

    cal evidence concerning the basis of the HR practices

    psychological contractorganizational performance

    relationship. This is because a major finding of this

    relationship is that employee attitudes such as employee

    significant correlations between HR practices, organiza-

    tional performance, employee attitudes, and employer

    and employee promise fulfillment, supporting the hypoth-

    eses of the study. With respect to organizational and

    individual contingencies, we see in Table 1 that generally

    there is a variety of correlations between contingencies

    and the rest of the variables used in the study.However, results based on correlations, although

    interesting, may be misleading due to the interactions

    between several variables. Therefore, in order to isolate

    the possible links between the variables involved in the

    operational model presented in Figure 1, the estimated

    path diagram for this proposed framework is presented in

    Figure 2. These results refer to full mediation, where the

    links with question marks are not present, reflecting thus

    a more parsimonious model. The circles represent the

    related latent variables, and the bold arrows indicate the

    structural relationships between the corresponding vari-

    ables. The numbers that are assigned to each arrow showthe estimated standardized coefficients. All coefficients

    are significant at the 0.001 level, except the coefficient

    linking individual contingencies with employer prom-

    ises fulfillment that is significant at the 0.10 level. The

    excellent goodness-of-fit indexes confirmed the validity

    of the operational model (chi-square = 1943.96, df = 1262,

    p-value = 0.000, normed-chi-square = 1.54, RMSEA = 0.039,

    CFI = 0.98, NFI = 0.93, GFI = 0.82). However, it must be

    noted here that the chi-squares being significant indi-

    cates that the proposed model is not an adequate pre-

    sentation of the entire set of relationships. But taking

    into account that chi-square statistics may be inflatedby high sample sizes, the value of the normed-chi-

    square (i.e., value of chi-square/degrees of freedom)

    was used instead. In our case, this value is less than

    3, confirming the validity of our model (Pedhazur &

    Pedhazur-Schelkin, 1991).

    Considering that all the standardized coefficients

    are significant and the fit statistics of the model are

    acceptable we may conclude that the two hypotheses of

    the study are supported. This means that employee atti-

    tudes (fully) mediate the relationship between employer

    and employee promises fulfillment, and psychological

    contract fulfillment (fully) mediates the relationship

    between HR practices and organizational performance.

    However, Figure 3 represents the estimated path dia-

    gram of the complete model presented in Figure 1 (i.e.,

    including the links with question marks), reflecting thus

    partial mediation. All standardized coefficients in Fig-

    ure 3 are significant at the 0.001 level, except the coef-

    ficient linking individual contingencies with employer

    promises fulfillment that is significant at the 0.10 level.

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    FIGURE2 Estimation Results of the Hypothesized Model (Full Mediation)

    HR

    Practices

    Employee

    Promises

    Fulfillment

    Employer

    Promises

    Fulfillment

    Employee

    Attitudes

    Organisational

    Performance

    Work

    hard

    Uphold

    company

    reputation

    Maintain

    high

    levels of

    attendance

    Show

    loyalty to

    the

    organisation

    Work extra

    hours

    when

    required

    Develop

    new skills

    and update

    old ones

    Be

    flexible

    Be

    courteous to

    clients and

    colleagues

    Be

    honest

    Come up

    with new

    ideas

    0.55 0.58 0.40 0.55 0.32 0.48 0.520.38 0.61

    Pay

    commensu-

    rate with

    performance

    Opportuni-

    ties for

    training and

    development

    Opportuni-

    ties for

    promotion

    Recognition

    for

    innovation

    and new idea

    Feedback for

    performance

    Interesting

    tasks

    An

    attractive

    benefits

    package

    Respectful

    treatment

    Reasonable

    job security

    A pleasant

    and safe

    working

    environment

    0.54 0.55 0.53 0.57 0.46 0.53 0.59 0.55 0.610.52

    Recruitment

    Selection

    Flexible work

    arrangements

    Work design

    Performance

    appraisal

    Training and

    development

    Compensation

    Promotion

    Incentives

    Participation

    Involvement

    Communication

    0.34

    0.40

    0.48

    0.59

    0.54

    0.46

    0.59

    0.41

    0.57

    0.51

    0.58

    0.51

    Effectiveness

    Efficiency

    Quality

    Development

    Innovation

    0.63

    0.58

    0.62

    0.89

    0.66

    Satisfaction Commitment Motivation

    0.94

    Individual

    Contingencies

    Gender

    Age

    Seniority

    Position

    Organizational

    Contingencies

    Ownership

    Size

    -0.17

    0.89

    0.49

    0.61

    0.52

    0.91

    Chi-Square = 1943.96 df = 1262 p-value = 0.000 Normed Chi-Square = 1.54 RMSEA = 0.039 CFI = 0.98 NFI = 0.93 GFI = 0.82

    0.99

    0.86

    0.61

    -0.37

    0.50

    -0.11

    0.58 0.56

    0.06

    satisfaction, commitment, and motivation, constitute the

    heart (Boxall & Purcell, 2002) or the epicenter of thisrelationship. All other relationships are activated around

    this epicenter, meaning that employee attitudes are influ-

    encing employee promises fulfillment and organizational

    performance and being influenced by employer promises

    fulfillment and HR practices. Specifically, in view of the

    standardized coefficients of the items constituting the

    initial driving construct in Figure 3, it is seen that the HR

    practices of incentives, performance appraisal, promo-

    tion, participation, and training and development have

    the highest influence on psychological contract and orga-

    nizational performance. These findings not only support

    the theory that HR practices have a positive impact onorganizational performance but also extend the literature

    referring to the HRMperformance relationship in a non-

    US/UK context such as that of Greece.

    Second, the study provides evidence of the recipro-

    cal influence that occurs in the exchange relationship

    between employers and employees. This is because, in

    view of the standardized coefficients of the items con-

    stituting the employer promises fulfillment construct

    These findings not only sup-

    port the theory that HR

    practices have a positive

    impact on organizational

    performance but also extend

    the literature referring to theHRMperformance relation-

    ship in a non-US/UK con-

    text such as that of Greece.

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    FIGURE3 Estimation Results of the Hypothesized Model (Partial Mediation)

    HR

    Practices

    Employee

    Promises

    Fulfillment

    Employer

    Promises

    Fulfillment

    Employee

    Attitudes

    Organisational

    Performance

    Work

    hard

    Uphold

    company

    reputation

    Maintain

    high

    levels of

    attendance

    Show

    loyalty to

    the

    organisation

    Work extra

    hours

    when

    required

    Develop

    new skills

    and update

    old ones

    Be

    flexible

    Be

    courteous to

    clients and

    colleagues

    Be

    honest

    Come up

    with new

    ideas

    0.57 0.61 0.42 0.57 0.31 0.49 0.520.41 0.63

    Pay

    commensu-

    rate with

    performance

    Opportuni-

    ties for

    training and

    development

    Opportuni-

    ties for

    promotion

    Recognition

    for

    innovation

    and new idea

    Feedback for

    performance

    Interesting

    tasks

    An

    attractive

    benefits

    package

    Respectful

    treatment

    Reasonable

    job security

    A pleasant

    and safe

    working

    environment

    0.55 0.55 0.53 0.57 0.46 0.54 0.59 0.55 0.610.52

    Recruitment

    Selection

    Flexible work

    arrangements

    Work design

    Performance

    appraisal

    Training and

    development

    Compensation

    Promotion

    Incentives

    Participation

    Involvement

    Communication

    0.34

    0.40

    0.48

    0.59

    0.54

    0.45

    0.59

    0.40

    0.57

    0.50

    0.57

    0.50

    Effectiveness

    Efficiency

    Quality

    Development

    Innovation

    0.64

    0.57

    0.61

    0.89

    0.66

    Satisfaction Commitment Motivation

    0.59

    Individual

    Contingencies

    Gender

    Age

    Seniority

    Position

    Organizational

    Contingencies

    Ownership

    Size

    -0.17

    0.90

    0.49

    0.62

    0.53

    0.56

    Chi-Square = 1870.60 df = 1260 p-value = 0.000 Normed Chi-Square = 1.48 RMSEA = 0.037 CFI = 0.99 NFI = 0.93 GFI = 0.83

    0.99

    0.79

    0.65

    -0.36

    0.50

    -0.11

    0.62 0.60

    0.07

    0.42

    0.28

    in Figure 3, it is seen that the employer promises of

    fulfillment with respect to keeping a pleasant and safe

    environment, respectful treatment, feedback for perfor-

    mance, opportunities for training and development, and

    pay commensurate with performance have the highest

    influence on employee motivation, satisfaction, and com-

    mitment. These attitudes will make employees positively

    react by keeping their promises with respect to showing

    loyalty to the organization, maintaining high levels of

    attendance, upholding company reputation, develop-

    ing new skills and updating old ones, and being honest.

    This finding indicates that in a country such as Greece,

    where individualism is rather low (Hofstede, 1994), and

    power-distance is also low (Ng, Sorensen, & Yim, 2009),

    psychological contract is relatively strong (Sahinidis &

    Bouris, 2008).

    Third, the study confirms and extends Rousseaus

    (1995) argument on the centrality of reciprocity with

    respect to how exchange relationships are governed

    (Coyle-Shapiro & Kessler, 2003). This is because the

    major property of the conceptual model of the study is

    that the relationship between HR practices and organiza-

    tional performance is partially mediated by psychological

    contract fulfillment, and employee attitudes are partially

    nested in this psychological contract. Although extensive

    empirical research has been carried out linking HR prac-

    tices with organizational performance through employee

    attitudes, still little justification has been presented for

    how HR practices influence individual attitudes (Allen,

    Shore, & Griffeth, 2003). This study considers that the

    history of the organization in terms of keeping its prom-

    ises to employees, being contingent on the HR practices

    employed, shapes both employee attitudes and the degree

    of employee promises fulfillment to the organization (see

    also Rousseau, 1995). This finding may give some light

    to the so-called black-box referring to the mechanisms

    that exist between HR practices and organizational perfor-

    mance (Hutchison & Purcell, 2003; Purcell et al., 2003).

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    Fourth, this study provides evidence with respect to

    the importance of transactional versus relational con-

    tracts. The average values of the standardized loadings

    reported in Figure 3 are equal to 0.56 for transactional

    and 0.55 for relational employer promises fulfillment,

    and to 0.48 for transactional and 0.52 for relational

    employee promises fulfillment. Considering that thereare no significant differences between these values, we

    argue that the elasticity of transactional employee prom-

    ises fulfillment with respect to employer promises fulfill-

    ment is equal to the elasticity of relational employee

    promises fulfillment with respect to employer promises

    fulfillment in the Greek context. Therefore, we may say

    that changes in the fulfillment of employer promises

    are equally associated with changes in transactional and

    relational employee promises fulfillment. Furthermore,

    this finding means that both the transactional and the

    relational parts of the psychological contact equally

    influence employees. However, it is argued that althoughtransactional contracts constitute an indispensable con-

    dition in the employment relationship, relational con-

    tracts are more appreciated by employees, due to the

    fact that transactional contracts, because they have a

    short-term nature, do not influence employees as much

    as relational contracts do, which have a long-term nature

    (Rousseau & Tijoriwala, 1998; Sturges et al., 2005). This

    may not be true in countries such as Greece, where the

    unemployment rate has risen fast due to the current

    financial crisis. In these cases, although individuals

    appreciate the long-term relational contracts, they are

    more interested in the short-term transactional contractsto cover their current needs. Additionally, we cannot

    argue that our finding contradicts the result of Robin-

    son et al. (1994), who found that violation of promises

    by employers more strongly decrease the relational than

    the transactional promise fulfillment by employees. This

    is because in our case the testing refers to the fulfillment

    of employer promises that may empower the relations

    between employers and employees, while Robinson et al.

    (1994) refers to the opposite case where the violation

    of employer promise fulfillment will destroy the whole

    relationship between employers and employees. There-

    fore, our findings support the view that the fulfillment

    of psychological contract, or the absence of violations

    in psychological contract, may sustain both the trans-

    actional and relational employee promise fulfillment.

    We agree that transactional aspects of the psychological

    contract must be fulfilled before relational aspects can

    be addressed (Millward & Brewerton, 1999) because

    transactional aspects drive relational aspects due to their

    cause-and-effect association (Pate et al., 2003).

    Fifth, this study provides evidence with respect to

    the universalistic versus contingency models, referring to

    the HR practicespsychological contractorganizational

    performance relationship. Contrary to the suggestion

    of de Jong et al. (2009, p. 347) to search for a univer-

    sal theory of psychological contracts, the findings with

    respect to contingencies support the view that there isnot any universalistic model,referring to the HR practices

    psychological contractorganizational performance rela-

    tionship, which if applied to organizations will improve

    their organizational performance. In contrast, the study

    supports the view that there are contingency modelsdepend-

    ing on organizational and individual factors influencing

    the HRMpsychological contractorganizational perfor-

    mance relationship. Specifically, the positive factor load-

    ing of ownership reveals that organizational performance

    in private organizations is higher than in public orga-

    nizations in the Greek service sector. In contrast, the

    negative factor loading of size reveals that organizationalperformance does not follow the economies-of-scale

    rule, as it is usually hypothesized (Tzafrir, 2005), and

    it supports Delbridge and Whitfield (1999), who argue

    that size is negatively related to employee satisfaction

    and thus, to organizational performance. Furthermore,

    gender and position negatively influence psychological

    contract, meaning that the influence of women and work-

    ers is lower. Additionally, the findings show that age and

    seniority indicate that the influence of older people and

    people working more years in the organization is higher.

    These results support the positive influences of age and

    seniority to organizational performance, through motiva-tion (Guest, 1999), commitment (Scholarios, Ramsay, &

    Harley, 1999), and satisfaction (Boselie & Van der Wiele,

    2002).

    Implications for Practice/Management

    The study has clear implications for both managers

    and decision makers in the Greek service sector. It

    The study has clear implica-tions for both managers and

    decision makers in the Greek

    service sector.

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    identifies employee incentives, performance appraisal,

    and employee promotion as three major HR practices

    potentially capable of sending signals that may lead to the

    creation of psychological contract fulfillment. Although

    it may be difficult to know exactly what constitutes the

    psychological contract of an employee (Suazo et al.,

    2009), managers primarily must keep their promisesabout a pleasant and safe working environment, respect-

    ful treatment, and feedback for performance, in order

    for employees to largely keep their own promises about

    showing loyalty to organization, maintaining high lev-

    els of attendance, and upholding company reputation.

    Finally, managers need to develop skills that will allow

    them to improve the employee attitudes of motivation,

    satisfaction, and commitment, because they constitute

    the nested epicenter mediating construct in both the HR

    practicesperformance and employeremployee prom-

    ises fulfillment relationships, which will improve organi-

    zational performance.

    Limitations

    This study has some limitations. First, the data was collected

    using a questionnaire at a single point in time. As a result,

    the study does not allow for dynamic causal inferences

    (Cavanaugh & Noe, 1999). Second, a potential limitation

    of the study concerns the measurement of some latent

    variables, such as the attitudes, with only three aggregate

    general observable variables that may restrict the validity

    of the construct (Luna-Arocas & Camps, 2008). Third, a

    limited number of items that usually have been hypoth-

    esized to be part of a new psychological contract have beenincluded in the study, due to estimation purposes. Fourth,

    to minimize possible common method bias concerns data

    should be gathered from independent sources (Podsa-

    koff & Organ, 1986). Fifth, the study was applied in the

    context of Greece which has unique labor relations and

    institutional conditions, and thus the findings from the

    Greek sample may not generalize across borders (de Jong

    et al., 2009). However, despite these limitations, this study

    provides a greater understanding of the process by which

    psychological contract mediates the relationship between

    HR practices and organizational performance.

    Conclusion

    Past research has provided extensive evidence on the

    positive relationship between HR practices and orga-

    nizational performance in an effort to reveal a positive

    impact of HR practices (Wright, Gardner, Moynihan, &

    Allen, 2005). This study is partially in line with Purcell

    and colleagues (2003) high-performance model, where

    employee attitudes mediate the relationship between

    HR practices and organizational performance, and with

    Guest and Conways (2004) psychological contract model,

    where HR practices have a major influence on the state of

    the psychological contract, indicating that a positive psy-

    chological contract will lead to improved organizational

    performance. Thus, this study, which considers HR prac-tices to be part of a high-performance organization, is

    attempting to provide proof that these practices cause

    organizational high performance through psychological

    contract fulfillment.

    Specifically, with respect to the scope of the study, we

    may say that HR practices through psychological contract

    have a positive effect on organizational performance in

    the Greek service sector, indicating further that this effect

    is higher in the private sector. Additionally, the study sup-

    ports the observation that changes in the fulfillment of

    employer promises are equally associated with changes in

    transactional and relational employee promise fulfillmentin the Greek service sector. Moreover, the study supports

    the view that employee attitudes (satisfaction, commitment,

    Although this study refers

    to the causal link between

    HR practices, psychologi-cal contract, and organi-

    zational performance in the

    Greek service sector, future

    research should concentrate

    on other sectors and con-

    texts of different countries,in order to be able to verify

    and extend the present

    results.

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    the present results. This is because contextual factors are

    keys to understanding the psychological contract (Pate

    et al., 2003, p. 571).

    Acknowledgments

    An earlier version of this article was presented at the11th International Human Resource Management Con-

    ference, June 912, 2010, Birmingham, United King-

    dom. The authors thank the two conference reviewers

    and the conference participants for their useful com-

    ments. Also, the very constructive comments of the

    two anonymous reviewers of this journal are greatly

    acknowledged.

    motivation) constitute the epicenter-mediating construct

    in both the HR practicesorganizational performance

    and employer promise fulfillmentemployee promise

    fulfillment relationships. Finally, the study supports the

    view that there is no universalistic model, but, in contrast,

    there are contingency models depending on organiza-

    tional and individual factors influencing the HR prac-ticespsychological contractorganizational performance

    relationship.

    Although this study refers to the causal link between

    HR practices, psychological contract, and organizational

    performance in the Greek service sector, future research

    should concentrate on other sectors and contexts of dif-

    ferent countries, in order to be able to verify and extend

    Anastasia A. Katou is a lecturer in the Department of Marketing and Operations Management at the University

    of Macedonia, Thessaloniki, Greece. Her research interests include human resource management, organizational

    behavior, and business strategies, with a focus on organizational performance. She received a BA and an MBA

    from the University of Sunderland, United Kingdom, and a PhD and a PgD from Cardiff University, Wales. She

    has published numerous articles in academic journals, such as the International Journal of Human Resource Man-

    agement, Thunderbird International Business Review, Employee Relations, Global Business and Organizational

    Excellence, Multinational Business Review, European Journal of International Management, European Manage-

    ment Journal, Personnel Review, International Journal of Human Resources Development and Management,

    Management Research Review, andJournal of World Business.

    Pawan S. Budhwaris a professor of international HRM and Associate Dean Research at Aston Business School.

    He is also director of the Aston India Foundation and president of the Indian Academy of Management. He receivedhis doctorate from Manchester Business School. Prior to joining Aston in 2003, he was on the faculty at Cardiff

    Business School for six years and at MD University, India, for ve years. Pawan has published over 75 articles

    in a number of leading journals (such as theJournal of Human Resource Management, Organizational Behavior

    and Human Decision Processes,Journal of International Business Studies, Journal of Organizational Behavior,

    Human Relations, Organization Studies, Journal of World Business,Thunderbird International Business Review,

    and International Journal of Human Resource Management) on international HRM/OB related topics with a specic

    focus on India. He has also written and/or co-edited books on HRM-related topics on Asia-Pacic, Middle East,

    performance management, India, developing countries, research methods, major works in international HRM, and

    doing business in India. Pawan is on the editorial board of over ten journals and at present is associate editor of

    Human Resource Managementand International Journal of Cross Cultural Management.He is also an advisor to

    the Commonwealth Commission for scholarships and fellowships and a Fellow of the Higher Education Academy.

    He is also a chartered member of the Chartered Institute of Personnel and Development and a council member of

    the British Academy of Management.

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