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在经济学中，弹性（ elasticity ）用于计量一个变量的改变将在多大程度上影响其他变量，这一概念是由阿尔弗莱德·马歇尔提出的。 弹性用因变量的变化率与自变量的变化率之比表示。
In economics, market power refers to the ability of a firm to influence the price at which it sells a product or service by manipulating either the supply or demand of the product or service to increase economic profit. [1]
In economics, elasticity of intertemporal substitution (or intertemporal elasticity of substitution, EIS, IES) is a measure of responsiveness of the growth rate of consumption to the real interest rate. [1]
Elasticity of substitution is the ratio of percentage change in capital-labour ratio with the percentage change in Marginal Rate of Technical Substitution. [1] In a competitive market, it measures the percentage change in the two inputs used in response to a percentage change in their prices. [2]
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Price Elasticity of Demand Analysis; The price elasticity of demand is a highly useful tool in managerial economics as it provides managers with the predicted change in demand associated with an increase in the price charged for its goods and services. [24]
The most commonly used elasticity in economics, the price elasticity of demand, is almost always negative, but many goods have positive income elasticities, many have negative. A negative income elasticity of demand is associated with inferior goods ; an increase in income will lead to a fall in the quantity demanded.
