In a labor market model, the wage-setting curve shows the real wage required to motivate workers at different employment levels, while the price-setting curve shows the real wage firms pay when setting prices. The labor supply curve indicates the total number of people willing to work at any given real wage. Suppose the market reaches an equilibrium where the wage-setting and price-setting curves intersect, establishing an equilibrium real wage of w* and an employment level of N*. At this same real wage w*, the labor supply curve shows that a total of L* people are willing to work. Given this information, which of the following represents the quantity of involuntary unemployment?

Labor Market Equilibrium Analysis

Identifying Involuntary Unemployment on a Labor Market Diagram

In a labor market model, an economy is at an equilibrium with a certain level of involuntary unemployment, represented by the horizontal distance between the equilibrium employment level and the total labor supply at the equilibrium real wage. If a new government policy leads to a significant increase in competition among firms in the product market, what is the resulting effect on the level of involuntary unemployment, assuming no other changes?

In a labor market model where equilibrium is determined by the intersection of a wage-setting curve and a price-setting curve, involuntary unemployment is zero if the labor supply curve also passes through this same intersection point.

The provided diagram shows a labor market model at its equilibrium point, A. The 'Labor Supply' curve indicates the total number of individuals willing to work at any given real wage. The equilibrium determines a real wage of w* and an employment level of N*. At this wage w*, point B on the 'Labor Supply' curve corresponds to the total number of people available for work. Based on this diagram, which of the following correctly identifies the quantity of involuntary unemployment?

![A standard WS-PS model diagram showing the intersection of the wage-setting and price-setting curves at point A, establishing equilibrium wage w* and employment N*. The labor supply curve passes through a point B, which is horizontally to the right of A at the same wage level w*.]

Justifying the Measurement of Involuntary Unemployment

Calculating Involuntary Unemployment from a Labor Market Graph

Consider a labor market model represented graphically with the real wage on the vertical axis and the level of employment on the horizontal axis. The model includes an upward-sloping wage-setting curve, a flat price-setting curve, and an upward-sloping labor supply curve. The equilibrium (Point A) occurs at the intersection of the wage-setting and price-setting curves, establishing an equilibrium real wage (w*) and employment level (N*). At this same wage (w*), the labor supply curve indicates a larger number of people willing to work (L*). Match each graphical element to its correct economic interpretation.

In a graphical model of the labor market, the equilibrium level of employment is determined where the wage firms must pay to motivate workers equals the wage firms can afford to pay while maximizing profits. At the real wage established at this equilibrium, the total number of people willing to work is typically greater. The horizontal distance between the equilibrium employment level and the total number of people willing to work at that same wage represents the quantity of ________ unemployment.