“泡沫”是经济发展过程中的一种常见的经济现象,泡沫的存在究竟对经济有什么影响作用呢?是促进经济的发展还是阻碍经济的成长呢?对此我们首先应该对泡沫经济有一个很明确的认识。一、历史回顾对泡沫的追述,历史上最早对泡沫有记录的应该是1636年的郁金香投机,这是人类历史上最早的泡沫经济案例。泡沫是众多理性人在理性预期即美好愿望的趋势下,产生的一种过度投机行为,其结果导致某一种商品(包括金融资产)严重地脱离其内在价值或其均衡价 “Bubble ” is a common economic phenomenon in the process of economic development. How does the existence of bubbles affect the economy? Does it promote the development of the economy or hinder the growth of the economy? First of all, we should stress the bubble economy There is a very clear understanding. I. Historical Review The report of the bubble, the earliest record of bubbles in history should be the speculation of tulips in 1636, which is the earliest example of the bubble economy in human history. Bubble is an excessive speculation under the rational expectation and goodwill desire of many rational people. As a result, a certain kind of commodity (including financial assets) seriously deviates from its intrinsic value or its equilibrium price