Chapter 33/Aggregate Demand and Aggregate Supply v 1393Chapter 33Aggregate Demand and Aggregate SupplyMultiple Choice1.Which of the following explains why production rises in most years?a.increases in the labor forceb.increases in the capital stockc.advances in technological knowledged.All of the above are correct.ANS: DPTS: 1DIF: 1REF: 33-1TOP: GrowthMSC: Definitional2.On average over the past 50 years, the U.S. economy has grown at the rate of abouta.1 perc