A farmer who has fixed amounts of land and capital finds that total product is 24 for the first worker hired; 32 when two workers are hired; 37 when three are hired; and 40 when four are hired. The farmer's product sells for $3 per unit and the wage rate is $13 per worker. The marginal product of the second worker is

If the actual inflation rate exceeds the expected inflation rate, then: a. the economy is operating along the long-run Phillips curve

b. unemployment exceeds the natural rate. c. maintaining the existing unemployment rate will require increasing inflation in the long run. d. the actual rate will tend to fall toward the expected rate. e. unemployment will tend to decrease in the long run.

Economic fine-tuning is the (usually frequent) use of

A) monetary policy that is based on a predetermined steady growth rate in the money supply to counteract even small undesirable movements in economic activity. B) only fiscal policy to counteract even small undesirable movements in economic activity. C) monetary and fiscal policies to counteract even small undesirable movements in economic activity. D) fiscal policy that both balances the budget and counteracts even small undesirable movements in economic activity.