Regulation began in the United States in the 1950s

The fact that travel on buses fell as incomes increased in many cities suggests that

a. bus travel is a normal good b. the law of demand does not apply to bus travel c. bus travel is an inferior good d. there are no good substitute goods for bus travel

Fiscal policies are different from monetary policies because:

a. Fiscal policies affect only aggregate supply and monetary policies affect only aggregate demand. b. Fiscal policies affect only aggregate demand and monetary policies affect only aggregate supply. c. Fiscal policies are enacted by central banks and monetary policies are enacted by Congress or Parliament. d. Fiscal policies are mainly concerned with changing government spending and taxation, and monetary policies are mainly concerned with changing the money supply.