The largest merchandise exporting country is ______________.

The supply of money curve is

A) vertical because the quantity of money is fixed at any one moment. B) horizontal because interest rates are fixed at any one moment. C) horizontal because the Fed controls the quantity of money supplied. D) upward sloping, showing the influence of the interest rate. E) downward sloping, showing the negative influence of the interest rate.

Relative prices are an effective way of informing producers of

A) their marginal benefits of production. B) their marginal costs of production. C) both A and B. D) none of the above.