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1·Explain why the YED (income elasticity of demand) for coffee is high.

YED(收入需求弹性)的咖啡是解释为什么。

2·Define the price elasticity of demand and the income elasticity of demand.

定义需求的价格弹性和需求的收入弹性。

3·The milk consumption of income elasticity of demand is the highest among the husbandry foods.

在动物性食物中，奶类是需求收入弹性最高的食品。

4·The demand is affected by price and income, classified as price elasticity of demand, income elasticity of demand and cross elasticity of demand.

需求受价格和收入变动的影响，可以分为需求价格弹性、需求收入弹性、需求交叉弹性。

5·Income elasticity of housing demand is an important index reflecting the characteristics of housing demand.

住房需求的收入弹性是描述居民住房需求特征的重要指标。

6·The rigid demand of housing is the consumption demand of minor income demand elasticity and major price demand elasticity.

住房刚性需求是需求收入弹性较大而价格弹性较小的具有一定购买力的消费性需求。

7·The traditional economic theories think that the changing in the demand income elasticity and the productivity enhancing are two primary drives of the industrial upgrading.

对产业升级的动因的解释，传统经济理论主要是从需求收入弹性变化和生产率上升两个角度进行的。

8·This paper imposes housing demand and motives model in terms of the factors of affecting housing demand and investigates the definition and estimates if income elasticity and price elasticity.

从影响居民家庭住房需求的各个要素入手建立居民家庭住房总量需求模型，进而探讨需求总量的收入弹性和价格弹性的理论含义和估计方法。

9·The traditional tourism as the leisure tourism is affected by the economic income, working hours and season. It has some features as fragile sensitive, elasticity of demand, market volatility.

传统的以观光为代表的休闲性旅游，受到经济收入、工作时间和季节性的影响，存在着脆弱灵敏的特性，需求弹性大，市场波动明显。

10·Tobacco is a harmful addictive product with special market performance. The price elasticity of demand for tobacco and its elasticity of income are different from normal market.

烟草是对健康有害的嗜好品，它有特殊的市场形态，其价格弹性和收入弹性都不同于普通产品。