the labor market chapter 8 copyright © 2011 by the mcgraw-hill companies, inc. all rights...
TRANSCRIPT
![Page 1: The Labor Market Chapter 8 Copyright © 2011 by The McGraw-Hill Companies, Inc. All Rights Reserved.McGraw-Hill/Irwin](https://reader035.vdocument.in/reader035/viewer/2022062716/56649dde5503460f94ad7ea7/html5/thumbnails/1.jpg)
The Labor Market
Chapter 8Copyright © 2011 by The McGraw-Hill Companies, Inc. All Rights Reserved.McGraw-Hill/Irwin
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8-2
Labor Supply
• The willingness and ability to work specific amounts of time at alternative wage rates in a given time period, ceteris paribus.
LO-1
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8-3
Income versus Leisure
• The opportunity cost of working is the amount of leisure time that must be given up in the process:– Opportunity cost is the most desired
goods or services that are forgone in order to obtain something else.
LO-1
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8-4
• As the opportunity cost of work increases, we require higher rates of pay.
• The marginal utility of income declines as more is earned.
• The upward slope of an individual labor supply curve reflects two things:– Increasing opportunity cost of labor.– Decreasing marginal utility of income.
Income versus Leisure
LO-1
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8-5
Market Supply
• Market supply of labor–the total quantity of labor that workers are willing and able to supply at alternative wage rates in a given time period, ceteris paribus.
• As labor-market entrants increase, the quantity of labor supplied goes up.
LO-1
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8-6
Labor Demand
• Demand for labor–the quantities of labor employers are willing and able to hire at alternative wage rates in a given time period, ceteris paribus.
LO-2
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8-7
Derived Demand
• Derived Demand–The demand for labor and other factors of production results (is derived) from the demand for the final goods and services produced by these factors.
LO-2
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8-8
• The quantity of resources purchased by a business depends on the firm’s expected sales and output.
• The demand for labor depends on the demand for the product that the labor is producing.
Derived Demand
LO-2
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8-9
What does your major pay?
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8-10
The Wage Rate
• The quantity of labor demanded depends on its price—the wage rate.
• The farmer paying $30 an hour to labor may not hire as much labor as she would at $10 per hour.
LO-3
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8-11
Figure 8.2
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8-12
Marginal Physical Product (MPP)
• We measure a worker’s value to the firm by his or her marginal physical product (MPP).
LO-3
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8-13
• Marginal physical product–the change in total output associated with one additional unit of an input:
MPP = change in total output
change in quantity of labor
Marginal Physical Product (MPP)
LO-3
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8-14
• In most situations, the marginal physical product declines as more workers are hired.
Marginal Physical Product (MPP)
LO-3
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8-15
Marginal Revenue Product (MRP)
• Marginal revenue product–the change in total revenue associated with one additional unit of input:
MPP = change in total revenue
change in quantity of labor
LO-3
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8-16
• Marginal revenue product sets an upper limit to the wage rate an employer will pay.
Marginal Revenue Product (MRP)
LO-3
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8-17
The Law of Diminishing Returns
• The marginal physical product of labor eventually declines (or diminishes) as the quantity of labor employed increases.
• Marginal physical product declines because more people must share limited facilities.
LO-3
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8-18
• The Law of Diminishing Returns–The marginal physical product of a variable factor declines as more of it is employed with a given quantity of other (fixed) inputs.
The Law of Diminishing Returns
LO-3
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8-19
Figure 8.3
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8-20
Diminishing Marginal Revenue Product (MRP)
• As MPP diminishes, so does MRP.
MRP = MPP x p
• If p is assumed to be constant, then MRP diminishes along with MPP.
LO-3
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8-21
Table 8.1
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8-22
The Hiring Decision
• The number of workers that will be hired is determined by the demand for and the supply of labor.
LO-3
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8-23
The Firm’s Demand for Labor
• A firm will continue to hire until the MRP has declined to the level of the market wage rate.
• The Marginal Revenue Product curve is the labor demand curve.
LO-3
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8-24
• Each (identical) worker is worth no more than the MRP of the last worker hired, and all workers are paid the same wage rate.
The Firm’s Demand for Labor
LO-3
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8-25
Figure 8.4
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8-26
Market Equilibrium
• The market demand for labor depends on:– The number of employers.– The Marginal Revenue Product of labor in
each firm and the industry.
• The market supply of labor depends on:– The number of workers.– Each workers’ willingness to work at
alternative wage rates. LO-3
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8-27
Equilibrium Wage
• The intersection of the market supply and demand curves establishes the equilibrium wage.
• It is the only wage where the quantity of labor supplied equals the quantity of labor demanded.
LO-3
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8-28
Equilibrium Employment
• The only sustainable level of employment in a market given the prevailing supply and demand conditions.
LO-3
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8-29
Changing Market Outcomes
• Changing market conditions alter wages and employment levels.– Changes in labor productivity– Changes in the price of the good
produced by labor– Legal minimum wages– Labor unions
LO-5
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8-30
Changes in Productivity
• If labor productivity (MPP) rises, wages can increase without sacrificing jobs.
• Increased productivity implies that workers can get higher wages without sacrificing jobs or more employment without lowering wages.
LO-5
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8-31
Changes in Price
• Marginal revenue product reflects the interaction of productivity and product prices.
• MRP depends on the market price of the product being produced.
• MRP shifts to the right if the market price of a product increases.
LO-5
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8-32
Legal Minimum Wages
• Minimum wages are mandated by Congress.
• Effects of a minimum wage:– Reduces the quantity of labor demanded.– Increases the quantity of labor supplied.– Creates a market surplus.– Some workers end up better off while
others end up worse off (a tradeoff).LO-4
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8-33
Figure 8.7
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8-34
Labor Unions
• Workers may take collective action to get higher wages.
• They form a labor union and bargain collectively with employers.
• A union must exclude some workers from the market to get and maintain an above-equilibrium wage.
LO-5
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8-35
• Unions decrease wages in non-union industries.– Excluded workers increase non-union
labor supply.
Labor Unions
LO-5
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8-36
Capping CEO Pay
• Critics of CEO (Chief Executive Officer) pay levels want to reduce their pay and revise the process used to set their pay levels.
• The Obama Administration created a Pay Czar position to govern salaries and benefits given to CEOs of firms bailed out during the 2008-09 economic problems.
LO-5
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8-37
Unmeasured MRP
• Measuring the MRP of a CEO is difficult because a CEO’s contributions are not easy to quantify.
• CEO salaries are higher because they reflect their opportunity wage:– Opportunity wage is the highest wage an
individual would earn in his or her best alternative job.
LO-5
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End of Chapter 8