76 ❖ Chapter 18/The Market For the Factors of Production
44. Suppose that a college physics experiment goes horribly wrong and releases an electronic pulse that renders all
electronic equipment in the city of San Francisco, California permanently useless. No people are hurt, and no
buildings are damaged. After the accident, the wages earned by California workers will
increase because the marginal productivities of workers will increase.
decrease because the marginal productivities of workers will decrease.
decrease because the marginal productivities of workers will increase.
increase because the marginal productivities of workers will decrease.
45. Suppose that a large tornado destroys the fleet of fire trucks for the city of Omaha, Nebraska. What happens
to the earnings of firefighters in Omaha?
The reduction in the supply of fire trucks reduces the marginal productivities of Omaha firefighters,
which causes the equilibrium wage to fall.
The reduction in the supply of fire trucks increases the marginal productivities of Omaha
firefighters, which causes the equilibrium wage to fall.
The reduction in the supply of fire trucks reduces the marginal productivities of Omaha firefighters,
which causes the equilibrium wage to rise.
The reduction in the supply of fire trucks increases the marginal productivities of Omaha
firefighters, which causes the equilibrium wage to rise.
46. Suppose that the labor market for life guards is initially in equilibrium. Then the marginal productivity of life
guards increases. What happens to the equilibrium wage and quantity of life guards?
Both the equilibrium wage and quantity increase.
Both the equilibrium wage and quantity decrease.
The equilibrium wage increases, and the equilibrium quantity decreases.
The equilibrium wage decreases, and the equilibrium quantity increases.
47. Suppose that the labor market for life guards is initially in equilibrium. Then swimming pool owners adopt a
new labor-saving technology that uses computers to monitor the locations of swimmers in the pool. What
happens to the equilibrium wage and quantity of life guards?
Both the equilibrium wage and quantity increase.
Both the equilibrium wage and quantity decrease.
The equilibrium wage increases, and the equilibrium quantity decreases.
The equilibrium wage decreases, and the equilibrium quantity increases.
48. Suppose that the labor market for life guards is initially in equilibrium. Then a new television series debuts
which glamorizes the social opportunities for life guards. What happens to the equilibrium wage and quantity
of life guards?
Both the equilibrium wage and quantity increase.
Both the equilibrium wage and quantity decrease.
The equilibrium wage increases, and the equilibrium quantity decreases.
The equilibrium wage decreases, and the equilibrium quantity increases.