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一、支付意愿与消费者剩余的概念支付意愿,是指消费者支付一定数量的金额以交换某一数量的商品或劳务的意愿.支付意愿的特征可以用图3.1来说明.图中,纵坐标表示价格,横坐标表示商品或劳务的数量.DD线为个人需求曲线,即根据商品或劳务的价格与个人对该种商品或劳务的需求量之间的关系所绘成的曲线.个人需求曲线既可以用来表明个人对特定价格的商品或劳务的需求量的大小,又可以用来表明个人对特定数量的商品或劳务所愿意支付的价格的高低.
First, the willingness to pay and the concept of consumer surplus Willingness to pay, refers to the consumer to pay a certain amount of money in exchange for a certain amount of goods or services willingness to pay the characteristics of the willingness to use Figure 3.1 to illustrate the figure, the vertical axis The price, the horizontal axis represents the number of goods or services.DD line for the personal demand curve, that is, according to the price of goods or services and personal demand for such goods or services drawn between the curve of individual demand curve It can be used to indicate the size of an individual’s demand for a particular price of goods or services, or to indicate the price an individual is willing to pay for a particular quantity of goods or services.