For a person to have a comparative advantage in producing a product, she must be able to produce that product at a lower opportunity cost than her competitors

The table above gives the utility from pens and pencils. If pens and pencils both cost $.25 each and the consumer has an income of $2.25, which of the following combinations maximizes the consumer's utility?

A) 3 pens and 6 pencils B) 4 pens and 5 pencils C) 5 pens and 4 pencils D) 6 pens and 3 pencils

The above figure represents the market for teenage workers at fast-food restaurants in Kansas City

a) What is the equilibrium wage rate and employment? b) Describe the market at a wage rate of $6 per hour. c) Describe the market at a wage rate of $12 an hour. d) How would an increase in the number of young, married college graduates, who tend to eat at fast-food restaurants, affect the figure, the equilibrium wage rate, and employment?