微观经济学的问题？？？

1，suppose there are only three consumers in the market for a good and each consumer will buy only one unit of the good. There individual economics values for the good are $6,$8,$12,respevtively. If the market price for the good is $10, what is the toal consumer surplus for the three buyers?

2,suppose each of the 50 states had only one gasoline station, and all the stations were the same size. The four firm concerntration ratio a consumer would experience is?

CS=12-10=2 , 6 和 8不会买


4/50=0.08 perfect competition

你好，第一题 什么 6和8 不买？？？

你想啊，你觉得那东西值6块钱，人家卖你10块，你肯定觉得坑爹啊，所以不会买

哈哈，那也是蛤，另外第二题其实答案是1，是什么local monopoly，谢谢你回答啊1`

哦 没事，估计也算是吧每个州只有一个加油站，当然是local monopoly. 我是按普通的算全国的。