5 Cost-of-living index 6 Dominant firm 7 Edgeworth box 8 Efficiency wage theory 9Second-degree price discrimination 10 Shirking model 得分阅卷教师 二、简答题：（共10分） 4.Four firms located at different points on a river dump various quantities of effuent into it.The effluent advers sely affects the quality of swimming for homeowners who live downstream.These people can build swimming pools to avoid swimming in the river,and firms can purchase filters that eliminate harmful chemicals in the material dumped in the river.As a policy advisor fora regional planning organization.how would you compare and contrast the following options for dealing with the harmful effect of the effluent: a.An equal-rate effluent fee on firms located on the river b.An equal standard per firm on the level of effluent that each can dump. c.A transferable effluent permit system in which the aggregate level of effluent is fixed and all firms receive identical permits 5 Cost-of-living index 6 Dominant firm 7 Edgeworth box 8 Efficiency wage theory 9 Second-degree price discrimination 10 Shirking model 二、简答题：（共 10 分） 4. Four firms located at different points on a river dump various quantities of effluent into it. The effluent adversely affects the quality of swimming for homeowners who live downstream. These people can build swimming pools to avoid swimming in the river, and firms can purchase filters that eliminate harmful chemicals in the material dumped in the river. As a policy advisor for a regional planning organization, how would you compare and contrast the following options for dealing with the harmful effect of the effluent: a. An equal-rate effluent fee on firms located on the river. b. An equal standard per firm on the level of effluent that each can dump. c. A transferable effluent permit system in which the aggregate level of effluent is fixed and all firms receive identical permits. 得分 阅卷教师