A tariff, unlike a __________, provides revenues to the government.

From an initial IS-LM equilibrium with a normally-sloped IS curve and a vertical LM curve, the money supply increases. A the new IS-LM equilibrium we have

A) higher income and a lower interest rate. B) higher income and an unchanged interest rate. C) an unchanged income and a lower interest rate. D) lower income and an unchanged interest rate. E) an unchanged income and a higher interest rate.

The supply curve for a competitive firm is

A) its entire MC curve. B) the upward-sloping portion of its MC curve. C) its MC curve above the minimum point of the AVC curve. D) its MC curve above the minimum point of the ATC curve. E) its MR curve.