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在微观经济学中,有一个很重要的定理“边际效用递减规律”。但从它开始被人们关注时,由一个完全深信不疑的态度慢慢的转变为质疑的态度,很多学者也开始慢慢发现生活中有些案例完全无法用边际效用递减的知识去解释,而是出现了递增现象,但经过研究发现,这个所谓的例外他们往往忽略了其前提条件,在严格的前提的条件下,边际效用递减规律是必然成立的。
In microeconomics, there is a very important theorem “the law of diminishing marginal utility ”. However, when it began to be noticed by people, it gradually shifted from a totally unbelievable attitude to a questioning attitude. Many scholars began to slowly find that some cases in life can not be explained by the knowledge of diminishing marginal utility. Instead, However, after research, they found that this so-called exception often neglected their preconditions. Under the strict prerequisite conditions, the law of diminishing marginal utility is inevitable.