Economics - Labor Market - Quick Guides

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Study GuideEconomics–Labor Market1. Equilibrium in a Perfectly Competitive Market1.1Understanding Labor Market EquilibriumEvery labor market is different, butperfectly competitive labor marketsall reach equilibrium in thesame basic way.Equilibriumis found where themarket demand for labormeets themarket supply of labor.This means:•Employers decide how many workers they want to hire.•Workers decide how many hours or jobs they want to offer.•The wage rate adjusts until both sides agree.This process is clearly shown in theimage above (Figure 1).

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Study Guide1.2What the Graph ShowsFrom the graph:•Wrepresents theequilibrium market wage rate.•Qrepresents theequilibrium number of workers employed.At this point:•The number of workers firms want to hire•equals•the number of workers willing to work.•The labor market is in balance.1.3What Happens Above the Equilibrium Wage?When the wage rate ishigher than W:•Firms want to hirefewer workers.•More workers want jobs at the higher wage.This creates alabor surplus(too many workers, not enough jobs).To solve this problem:•Some workers agree to work forlower wages.•This causes the wage rate tofall back toward W.1.4What Happens Below the Equilibrium Wage?When the wage rate islower than W:•Firms want to hiremore workers.•Fewer workers are willing to work at the lower wage.This leads to alabor shortage(too many jobs, not enough workers).To fix this:•Firms start offeringhigher wagesto attract workers.•The wage raterises back toward W.

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Study Guide1.5Why Equilibrium MattersAt theequilibrium wage rate (W):•There isno labor surplus.•There isno labor shortage.•The labor market is stable.This is why equilibrium is such an important concept—it shows how wages and employment naturallyadjust in a perfectly competitive labor market.2. Labor Demand and Supply in a Monopsony2.1What Is a Monopsony?Amonopsonyis a labor market where there isonly one firm hiring workers.This single firm is called themonopsonist.A common example is acompany town, where one large employer provides almost all the jobs. Inthis situation, workers have very few choices, so the firm has strong control over hiring and wages.2.2How Hiring Works in a Monopsony (Wage-Searching Behavior)In a monopsony, the firm isnot a wage-takerlike firms in perfectly competitive labor markets.Instead, it is awage-searcher.Here’s why:•The monopsonist faces theentire market supply of labor.•The labor supply curve isupward sloping, meaning higher wages are needed to attract moreworkers.•To hire more workers, the firm mustraise the wage.•This higher wage must be paid toall workers, not just the new one.Because of this, thecost of hiring one more workeris higher than just that worker’s wage.

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Study Guide2.3Numerical Example: Understanding Marginal Cost of Labor2.4Why Marginal Cost Is Higher Than the WageLet’s look at a specific example from the table.Suppose the monopsonist increases employment from2 workers to 3 workers:•The wage must rise from$15 to $20per hour to attract the third worker.•The firm must now pay$20 to all 3 workers, not just the new one.•Total labor cost becomes$60 (3 × $20).•Previously, the cost was$30.•So, themarginal cost of hiring the third worker is $30($60 − $30).Even though the wage is$20, the marginal cost is$30because:•The firm also pays itsexisting workers $5 more per hour.Key TakeawayIn a monopsony:•Hiring more workers means raising wages for everyone.•Because of this, themarginal cost of labor is higher than the wage rate.•This difference plays a major role in how many workers the firm chooses to hire.

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