Suppose that a firm has only one variable input, labor, and firm output is zero when labor is zero. When the firm hires 6 workers the firm produces 90 units of output. Fixed costs of production are $6 and the variable cost per unit of labor is $10 . The marginal product of the seventh unit of labor is 4 . Given this information, what is the average total cost of production when the firm hires 7

________ unemployment changes slowly and depends on ________

A) Frictional; the skills of the unemployed B) Seasonal; the rate at which people enter and exit the labor force C) Frictional; the rate at which people enter and exit the labor force D) Structural; the rate at which people enter the labor force E) Structural; the inflation rate

Which of the following will not cause a short-run shift in the supply curve?

A) a change in the number of sellers B) a change in the cost of resources C) a change in the price of the product D) a change in future expectations