13. Explain how each of the following events would affect wages in a particular labor market:

a. an increase in labor productivity in the market.

b. an increase in the supply of labor in the market.

c. an increase in wages in another labor market that can be easily entered by workers in the first labor market.

d. a reduction in wages in another market whose workers can easily enter the first market.

e. an increase in the price of the good labor in the market produces.