Efficiency wages create structural unemployment

In order to have an impact, a ________ must be set below the equilibrium price, and when this occurs, ________

A) price ceiling; consumer surplus increases B) price floor; consumer surplus decreases C) price ceiling; producer surplus decreases D) price support; total revenue increases E) price support; consumer surplus increases

Using the liquidity-preference model, when the Federal Reserve decreases the money supply,

a. the equilibrium interest rate increases. b. the aggregate-demand curve shifts to the right. c. the quantity of goods and services demanded is unchanged for a given price level. d. the short-run aggregate-supply curve shifts to the left.