西方经济学以市场分析为核心。市场供需对立,双方要交易,必然有力量的较量。早在18世纪的经济学著作中,就有市场均衡的概念,含义是供需双方力量的平衡。这个概念内涵很广,可以概括供需背后起作用的种种因素,但难以说明在什么状态下市场才能供需平衡和市场均衡。 Western economics to market analysis as the core. Opposition between supply and demand in the market, the two sides to trade, there must be a contest of strength. As early as the eighteenth century economic works, there is the concept of market equilibrium, the meaning is the balance of power between supply and demand. This concept is very broad in content and can sum up the various factors that play a role in the supply and demand. However, it is difficult to explain under what conditions the market can supply and demand balance and market equilibrium.