What is the marginal cost of producing the third unit?

A decrease in the supply of money will lead to a(n)

A) increase in equilibrium real GDP and an increase in the equilibrium interest rate. B) increase in equilibrium real GDP and a decrease in the equilibrium interest rate. C) decrease in equilibrium real GDP and an increase in the equilibrium interest rate. D) decrease in equilibrium real GDP and a decrease in the equilibrium interest rate.

Many economic policies fail for all of the following reasons except

A. It is difficult to accurately measure economic performance. B. Politicians and economists work together in formulating policies. C. Economic forecasts may be inaccurate. D. There are significant lags in response to policy implementation.