试考虑带有以下特征的经济:第一个时期的产量(Q1)为100;第二个时期的产量(Q2)为150;第一个时期的消费(C1)为120,且世界利率为10%(假定没有投资机会)。在两时期模型的框架内,试计算: a.第二个时期的消费量; b.两个时期的贸易余额; c.两个时期的经常项目。 Consider an economy with the following characteristics:production in period 1(Q1)is 1 00;production in period 2(Q2)is 150,consumption in period 1(C1)is 120,and the world interestrate is 10 percent.(Assume that there aye no investment opportunities.)In the framework of thetwo—period model,calculate a.The value of consumption in the second period. b.The trade balance in both periods. C.The current account in both periods.