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公平与效率的关系是一个具有重大理论价值和实践意义的命题。由于对公平的理解不同,学术界存在着多种对公平与效率关系的认识。主流观点认为,公平与效率是反向变化的关系。而程恩富教授则认为这种反向变化的看法是存在严重缺陷的。在程教授看来,市场经济下的按劳分配才是公平的真正含义。为此,他重新定义了公平范畴,将按劳分配思想引入公平定义,并从这一公平的含义出发,创造性地提出了按劳分配意义的公平与效率具有同向互促关系的命题。该命题的数理分析表明,在程教授的假设下公平与效率确实是等价的,因而程教授关于公平与效率存在同向互促关系的命题是成立的。
The relationship between fairness and efficiency is a proposition of great theoretical value and practical significance. Due to the different understanding of fairness, there are many kinds of academic understanding of the relationship between fairness and efficiency. The mainstream view is that the relationship between fairness and efficiency is the opposite. Professor Cheng Enfu believes that this reverse change is a serious flaw. According to Professor Cheng, the distribution according to work in a market economy is the true meaning of fairness. To this end, he redefined the category of fairness and introduced the concept of “distribution according to work” into the definition of fairness. From the perspective of fairness, he propounded propositions that the fairness and efficiency of distribution according to work have the same direction and reciprocity and promotion. The mathematical analysis of this proposition shows that under the assumption of Cheng, the fairness and efficiency are indeed equivalent. Therefore, Professor Cheng’s proposition that there exists an equal and reciprocal relationship between fairness and efficiency is established.