【简答题】若消费者张某消费X和Y两种商品的效用函数U=X 2 Y 2 ,张某收入为500元,X和Y的价格分别为P X =2元,P Y =5元,求: (1)张某的消费均衡组合点。 (2)若政府给予消费者消费X以价格补贴,即消费者可以原价格的50%购买X,则张某将消费X和Y各多少? (3)若某工会愿意接纳张某为会员,会费为100元,但张某可以50%的价格购买X,则张某是否应该加入该工会?
【简答题】Pedro Rossi is happy--he is very,very happy! He won(赢得) $500,000! He won the lottery(彩票)! Pedro is happy for only a few days. Then he remembers his lottery ticket! He throws it in the garbage can ! Pe...