models of consumer behaviour - easyonlinebooks
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Models of consumer
behaviour
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Traditional Models of consumers
Early models derive from economics and were
interested in studying how scarce resources are
allocated to quench and unlimited amount of wants
and needs
1. Microeconomic
2. Macroeconomic
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1. Microeconomic
Concentrates on the act of purchasing
Interested in knowing what consumers were purchasing, ignoring the why and how underpinning their behaviour •
Assumptions made:–
Consumers wants and needs are unlimited and unquenchable–
Consumers allocate their resources to maximise levels of satisfaction (MU1/P1 =MU2/P2 =… MUn/Pn)
Consumers have perfect knowledge
The additional satisfaction of a unit that is bought after the first purchase will be less than the first purchase’s marginal satisfaction
Price is key
Consumers rational
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2. Macroeconomic
Looks at the overall economy; the value of goods; from these conclusions are drawn about consumers’ behaviour influencing these flows
Relative income hypothesis: how much is spent it not solely determined by income but is influenced by peers
Permanent income hypotheses: consumers determine how much to spend based on a perceived average of what can be consumed and not only on income
Consumers’ behaviour is not taken into account
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Behavioural economics
George Katona introduces the need to look at psychological influences guiding consumer’s behaviour: behavioural economics
Consumers will purchase products when they have confidence in the economy (consumer sentiment)
Actual economic
condition
Psychological
process
Consumer
sentiment
Economic
behaviour
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Contemporary models
1. NICOSIA MODEL:
Francesco Nicosia presented his model in flow chart format. All
variables are viewed as interacting , with none being
inherently dependent or independent. Thus the model
describes a circular flow of influences where each
component provides input to the next.
The model contains four major components:
1.firm’s attributes, communications and consumer’s
psychological attributes
2.consumer’s search for evaluation of alternatives
3.consumer’s motivated act of purchase
4.Consumer storage or use of the product.
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Firm’s
attributesConsumer’s
attributes
Search
evaluation
decision
Consumption
or
storage
attitude
motivation
Purchasing
behaviour
experience
Field 1
Field 2
Field 3
Field 4
Msg
exposure
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Limitations
The Nicosia model offers no detail explanation of the internal factors, which may affect the personality of the consumer, and how the consumer develops his attitude toward the product. For example, the consumer may find the firm’s message very interesting, but virtually he cannot buy the firm’s brand because it contains something prohibited according to his beliefs. Apparently it is very essential to include such factors in the model, which give more interpretation about the attributes affecting the decision process.
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2. HOWARD-SHETH MODELThe model attempts to depict rational brand choice behaviour by
buyers under conditions of incomplete information and limited ability. It distinguishes three levels of decision making:
Extensive problem solving
Limited problem solving
Routinized problem solving
The model has four major components:
1. INPUT VARIABLES
-significative stimuli: realistic product
-symbolic stimuli: prototype
-social stimuli: family, social class
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2. OUTPUT VARIABLE
-attention
-comprehension
-attitude
-attention
-intention
-purchase behaviour
3. HYPOTHETICAL CONSTRUCTION
- sensitivity of information
-perceptual bias
-search for information
The buyer’s six learning constructs:
Motive, Evoked set, Decision mediators, Predisposition, Inhibitors,
Satisfaction.
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4. EXOGENOUS VARIABLES
External variables that can significantly influence buyer
decisions.
- Importance of purchase
- Personality variables
- Social class
- Culture
- Organization
- Time pressure
- Financial status
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Perceptual
construct
Exogenous
variables
Learning
construct
outcome
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Limitations
Too many variables, complex model
Variables in the model are not clearly
defined.
Model cannot be generalized
Sharp distinction between exogenous and
other variables have not been made.
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3. ENGEL-BLACKWELL-MINIARD MODELThe model variables are grouped into four general categories:
1.Stimulus inputs
2.Information processing
3.Decision process
4.Variables influencing the decision process
The model represents consumer behaviour as a decision process of five activities which occur overtime:
Motivation and need recognition
Search for information
Alternative evaluation
Purchase
Outcomes
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Limitations
Too many variables, complex model
Variables in the model are not clearly
defined.