商业企业联合限价引起我国法学和经济学研究者对反垄断问题的思考。企业联合限价现象说明垄断已不再作为一种潜在的规范对象。如何定义垄断垄断，在现代经济学意义上是指一种经济行为，即少数大企业或者若干企业联合独占生产和市场，以攫取高额利润。垄断的表现形式多种多样，? The Limitation of the Joint Venture of Commercial Enterprises Caused the Legislation and Antitrust Issues of Law and Economics Researchers in China. The phenomenon of joint limit of enterprises shows that monopoly is no longer a potential normative object. How to define a monopolistic monopoly means, in the sense of modern economics, an economic act in which a few large enterprises or some enterprises jointly monopolize the production and the market in order to capture high profits. Monopoly manifestations varied,?