A positive externality arises when a person engages in an activity that has ( ).
A、an adverse effect on a bystander who is not compensated by the person who causes the effect
B、an adverse effect on a bystander who is compensated by the person who causes the effect
C、a beneficial effect on a bystander who pays the person who causes the effect
D、a beneficial effect on a bystander who does not pay the person who causes the effect
A、an adverse effect on a bystander who is not compensated by the person who causes the effect
B、an adverse effect on a bystander who is compensated by the person who causes the effect
C、a beneficial effect on a bystander who pays the person who causes the effect
D、a beneficial effect on a bystander who does not pay the person who causes the effect
微观经济学（全英）
章节列表
1. General Overview of Economics282. Principles of Economics353. Circular-Flow Diagram and PPF204. Interdependence and Trade205. Demand and Supply756. Elasticity717. Price Control and Taxation408. CS, PS and the Efficiency of Markets109. Costs of Taxation2510. International Trade3011. Externalities3112. Public Goods and Common Resources2013. The Costs of Production20