The monetary policy decisions made by the Federal Reserve must be approved by the Congress before they are enacted

Which of the following statements is TRUE?

A) The long-run aggregate supply curve is upward sloping. B) The long-run aggregate demand curve is upward sloping. C) The short-run aggregate supply curve is vertical. D) The long-run aggregate supply curve is vertical.

Suppose two goods (X and Y ) are being produced efficiently and that the production of X is always more labor intensive than the production of Y. Production depends only on two factors (capital and labor); these may be smoothly substituted for each other. The total quantities of these inputs are fixed. An increase in the production of X and a decrease in the production of Y will

a. increase the capital-labor ratio in each firm. b. decrease the capital-labor ratio in each firm. c. leave the capital-labor ratio for each firm unchanged. d. increase the capital-labor ratio in Y production and decrease the capital-labor ratio in X production.