Briefly describe the effect of the following on Mallory's incentive to be in the labor force, using the economic theory of labor force participation (wage versus reservation wage) to explain your answers:

a. Congress passes a 'comparable worth' law which requires equal pay for work of comparable worth (skills, responsibilities) within a firm.

b. Mallory's child finishes college and moves out of the family home.

c. There is an economic recession and the unemployment rate increases from 6% to 10% and real wages fall by 3%.