Which of the following would cause the demand curve to shift from Demand A to Demand B in the market for oranges in China?
A、A freeze in southern China.
B、A technological advance that allows oranges to ripen faster.
C、A decrease in the price of apples.
D、An announcement by the authorities that oranges prevent heart disease.
A、A freeze in southern China.
B、A technological advance that allows oranges to ripen faster.
C、A decrease in the price of apples.
D、An announcement by the authorities that oranges prevent heart disease.
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