Which of the following expressions equals profit per unit of output?

According to classical economists, in recessions, the government should

A) stimulate the economy to increase demand. B) actively use fiscal policy to combat the recession. C) increase the minimum wage so that poor people will be able to afford necessities. D) eliminate barriers to labor market adjustment, such as burdensome regulations on businesses.

Examples used in the text to illustrate "competition among the few" include all of the following industries except

a. cereal b. airline c. fish d. automobile e. baby food