According to the theory of liquidity preference, tightening the money supply will nominal interest rates in the short run, and, according to the fisher effect, tightening the money supply will nominal interest rates in the long run.

a) increase; increase
b) increase; decrease
c) decrease; decrease
d) decrease; increase

B) increase; decrease

Explanation:

According to the liquidity preference theory interest rates are determined by the supply and demand of money. So when the money supply is tightened it decreases the supply of money, which shifts the supply curve of money to the left and therefore interest rates increase. According to the fisher effect tightening the money supply will decrease the nominal interest rates in the long run because in the long run according to fisher interest rates and inflation rates move in the same direction, so when the money supply is tightened the inflation rates also fall because people spend less money and therefore when inflation is falling nominal interest rates also decrease.

answer; at prices that violate government price regulations;