Complementary goods have a negative cross elasticity of demand.

互补商品的需求的交叉弹性为负数。

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It is necessary to set price for passenger transportation according to demand elasticity and cross elasticity of passenger transportation.

必须在考虑需求弹性和交叉弹性的基础上，针对中国铁路特性科学制定客运价格。

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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。

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Using a different econometric method gets a cross-elasticity of about .20%, or a 2% increase in gas for every 10% decrease in price.

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