A barber currently cuts hair for 50 clients per week and earns a profit. He is considering expanding his operation in order to serve more clients. Should he expand?
A、Yes, because cutting hair is profitable.
B、No, because he may not be able to sell more services.
C、It depends on the marginal cost of serving more clients and the marginal revenue he will earn from serving more clients.
D、It depends on the average cost of serving more clients and the average revenue he will earn from serving more clients.
A、Yes, because cutting hair is profitable.
B、No, because he may not be able to sell more services.
C、It depends on the marginal cost of serving more clients and the marginal revenue he will earn from serving more clients.
D、It depends on the average cost of serving more clients and the average revenue he will earn from serving more clients.
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