When economists disagree about whether legislation is a good idea, even when they agree about its impacts, the disagreements are usually over
a. normative issues
b. positive issues
c. the mathematical calculations in an economic model
d. whether microeconomics or macroeconomics is more important
e. whether economic theory is useful in explaining the behavior of actors in the economy
A
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Based on the model given, the cost-effective solution would arise if
Suppose that two firms, X and Y, face the following abatement costs: MACX = 1.2AX, MACY = 0.3AY TACX = 0.6AX2 TACY = 0.15AY2 Further assume that the combined abatement standard is 40 units for both firms. a. each firm abates 20 units of pollution b. firm X abates 8 units, and firm Y abates 32 units c. firm Y does all the abating because its MAC is lower d. firm X abates 24 units, and firm Y abates 16 units e. none of the above
An increase in the price level will
A) move the economy down along a stationary aggregate demand curve. B) move the economy up along a stationary aggregate demand curve. C) shift the aggregate demand curve to the left. D) shift the aggregate demand curve to the right.
Economists of the rational expectations school believe that expansionary monetary policy is fully effective only if: a. the policy is anticipated by workers and firms
b. it causes the aggregate supply curve to shift to the left. c. the economy is operating at or above its potential output level. d. policy makers follow through on their previously announced plans. e. the policy is totally unexpected.
When the money market is drawn with the value of money on the vertical axis, an increase in the money supply
a. increases the price level and increases the value of money. b. increases the price level and decreases the value of money. c. decreases the price level and increases the value of money. d. decreases the price level and decreases the value of money.