Liu spends an evening studying instead of going to a movie. The opportunity cost to him of studying is ______.
A、the improvement in his grades from studying for the evening
B、the improvement in his grades from studying minus the enjoyment from the movie
C、the enjoyment he would have received if he had gone to the movie
D、zero. Since Liu chose to study rather than to go to a movie, the value of studying must have been greater than the value of watching the movie
A、the improvement in his grades from studying for the evening
B、the improvement in his grades from studying minus the enjoyment from the movie
C、the enjoyment he would have received if he had gone to the movie
D、zero. Since Liu chose to study rather than to go to a movie, the value of studying must have been greater than the value of watching the movie
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