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1、模型构建定义1错误!未找到引用源。令v是连续、递增函数,并且v(0)0。假设消费一单位产品的利益为u,参考价格与实际价格分别为r与p,则消费者的效用为v(r p)v(u r)。其中,v(r p)为消费者的交易效用,v(u r)为消费者的获得效用。
1, model construction definition 1 error! Reference source not found. Let v be a continuous, increasing function, and v (0) 0. Assuming that the benefit of consuming one unit of product is u and the reference price and the actual price are r and p, respectively, the utility of the consumer is v (r p) v (u r). Among them, v (r p) is the consumer’s transaction utility, v (u r) is the consumer’s utility.