W
　　 Welfare economics 福利经济学
　　 The study of how the allocation of resources affects economic well-being Willingness to pay 支付意愿
　　 The maximum amount that a buyer will pay for a good World price 世界价格
　　 The price of a good that prevails in the world market for that good wage discrimination 工资歧视
　　 paying lower wages to women or minorities wage-productivity curve 工资—生产率曲线
　　 the curve that depicts the relationship between wages and productivity wholesale price index 批发价格指数
　　 a price index that measures the average level of wholesale prices work sharing 工作分摊，预祝家圣诞快乐！
　　 reducing all employees’ hours by equal amounts rather than firing some workers World Trade Organization (WTO) 世界贸易组织
　　 the organization established in 1995, as a result of the Uruguay round of trade negotiations, replacing GATT, designed to remove trade barriers and settle trade disputes
　　 Z
　　 zero elasticity 零弹性
　　 a demand (or supply) curve has zero elasticity if the quantity demanded (or supplied) does not change at all if price changes; the demand (supply) curve is vertical 编辑预祝家金榜题名！