Exhibit 30-3 Costs of Eliminating:Firm A Firm B Firm C 1st ton of pollution$ 30 $ 50 $  600 2nd ton of pollution$ 70 $ 90 $  700 3rd ton of pollution$125 $150 $  900 4th ton of pollution$200 $250 $1,300 Refer to Exhibit 30-3. What is the cost to Firm C of eliminating 2 tons of pollution?

The non-activists believe that

A) the government has been a stabilizing force in the economy. B) much of the existing unemployment voluntary. C) the velocity of money is unstable. D) policymakers are able to accurately forecast the future effect of current policy actions.

For a monopsonist the marginal cost of increasing its workforce will always be greater than the wage rate because

A) there is not good factor substitution in a monopsony. B) the wage rate offered the newest employee must be paid to all workers. C) the industry will be a closed shop. D) a normal rate of return must be paid to the owner.