In a purely competitive labor market (a), market labor supply S and market labor demand D determine the equilibrium wage rate Wc and the equilibrium number of workers Qc . Each individual competitive firm (b) takes this competitive wage Wc as given. Thus, the individual firm’s labor supply curve s = MRC is perfectly elastic at the going wage Wc . Its labor demand curve, d, is its MRP curve (here labeled mrp). The firm maximizes its profit by hiring workers up to where MRP = MRC. Area 0abc represents both the firm’s total revenue and its total cost. The green area is its total wage cost; the blue area is its nonlabor costs, including a normal profit—that is, the firm’s payments to the suppliers of land, capital, and entrepreneurship. A rightward shift of the labor supply curve in graph (a) would shift curve: a. d = mrp leftward in graph (b). b. d = mrp rightward in graph (b). c. s = MRC upward in graph (b). d. s = MRC downward in graph (b). FIGURE 17.3 Labor supply and labor demand in (a) a purely competitive labor market and (b) a singlecompetitive firm. In a purely competitive labor market (a), market labor supply S and market labor demand Ddetermine the equilibrium wage rate W. and the equilibrium number of workers Q.. Each individual competitivefirm (b) takes this competitive wage W, as given. Thus, the individual firm's labor supply curve s = MRC is perfectlyelastic at the going wage W. Its labor demand curve, d, is its MRP curve (here labeled mrp). The firm maximizesits profit by hiring workers up to where MRP = MRC. Area Oabc represents both the firm's total revenue and itstotal cost. The green area is its total wage cost the blue area is its nonlabor costs, including a normal profit-thatis, the firm's payments to the suppliers of land, capital, and entrepreneurship.($10) W.($10) W.S= MRCD = MRP(Σ mrps)d = mrp(1,000)(5)Quantity of laborQuantity of labor(a)(b)Labor marketIndividual firmWage rate (dollars)Wage rate (dollars)

In the labour market, the firms are the buyers of labour and the workers are the sellers. The demand…

Answered: FIGURE 17.3 Labor supply and labor…

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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In a purely competitive labor market (a), market labor supply S and market labor demand D determine the equilibrium wage rate Wc and the equilibrium number of workers Qc . Each individual competitive firm (b) takes this competitive wage Wc as given. Thus, the individual firm’s labor supply curve s = MRC is perfectly elastic at the going wage Wc . Its labor demand curve, d, is its MRP curve (here labeled mrp). The firm maximizes its profit by hiring workers up to where MRP = MRC. Area 0abc represents both the firm’s total revenue and its total cost. The green area is its total wage cost; the blue area is its nonlabor costs, including a normal profit—that is, the firm’s payments to the suppliers of land, capital, and entrepreneurship. A rightward shift of the labor supply curve in graph (a) would shift curve:
a. d = mrp leftward in graph (b).
b. d = mrp rightward in graph (b).
c. s = MRC upward in graph (b).
d. s = MRC downward in graph (b).

FIGURE 17.3 Labor supply and labor demand in (a) a purely competitive labor market and (b) a single
competitive firm. In a purely competitive labor market (a), market labor supply S and market labor demand D
determine the equilibrium wage rate W. and the equilibrium number of workers Q.. Each individual competitive
firm (b) takes this competitive wage W, as given. Thus, the individual firm's labor supply curve s = MRC is perfectly
elastic at the going wage W. Its labor demand curve, d, is its MRP curve (here labeled mrp). The firm maximizes
its profit by hiring workers up to where MRP = MRC. Area Oabc represents both the firm's total revenue and its
total cost. The green area is its total wage cost the blue area is its nonlabor costs, including a normal profit-that
is, the firm's payments to the suppliers of land, capital, and entrepreneurship.
($10) W.
($10) W.
S= MRC
D = MRP
(Σ mrps)
d = mrp
(1,000)
(5)
Quantity of labor
Quantity of labor
(a)
(b)
Labor market
Individual firm
Wage rate (dollars)
Wage rate (dollars)

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