在介绍供求概念时,经济学家经常对消费者和生产者的行为进行定性陈述。例如,需求定律指出,随着商品或服务价格的上涨,对该商品或服务的需求会降低。供应定律表明,商品的数量往往随着该商品的​​市场价格上涨而增加。尽管这些法律是有用的,但它们并未涵盖经济学家想要纳入供求模型的所有内容。结果,经济学家开发了定量方法,例如弹性,以提供有关市场行为的更多细节。简而言之,弹性是指某些经济变量响应其他变量而发生变化的相对趋势。在经济学中,重要的是要了解诸如需求和供给之类的响应量对价格,收入,相关商品的价格等事物的响应程度。例如,当汽油价格上涨百分之一时,对汽油的需求会下降一点还是很多?回答这类问题对于经济和政策决策至关重要,因此经济学家提出了弹性概念来衡量经济量的响应能力。

澳大利亚昆士兰大学Business Essay代写:经济变量

When introducing the concept of supply and demand, economists often make qualitative statements about the behavior of consumers and producers. For example, the law of demand states that as the price of a good or service increases, the demand for that good or service decreases. The law of supply indicates that the quantity of goods tends to increase as the market price of the goods rises. Although these laws are useful, they do not cover everything that economists want to incorporate into the supply and demand model. As a result, economists have developed quantitative methods, such as resiliency, to provide more details about market behavior. In short, elasticity is the relative tendency of certain economic variables to change in response to other variables. In economics, it is important to understand how responsiveness such as demand and supply responds to prices, income, prices of related commodities, and so on. For example, when gasoline prices rise by one percent, will the demand for gasoline drop a little? Answering such questions is critical to economic and policy decisions, so economists have proposed a concept of resilience to measure the responsiveness of the economy.�����%�!

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