Which one of the following statements is correct? O a. The aggregate demand curve (AD curve) can be shifted by monetary as well as fiscal policy measures. O b. A supply shock results in a simultaneous increase in prices and production in the economy. O C. A restrictive fiscal policy will result in a rightward shift of the aggregate demand curve. O d. A general increase in wages in the economy will, ceteris paribus, shift the aggregate supply curve downward (to the right Previous page W Type here to search