理论模型中的溢出效应山东工程学院副教教王学真南开大学博士研究生李平从经济学理论的发展来看，目前比较倾向于探讨两个方面的问题，一是＂内部化＂，二是＂外在性＂。前者源于科斯（Ｃｏａｓｅ）１９３７年撰写的《企业的性质》一文。科斯认为企业形成和存在的原因是为... Spillover effect in theoretical models Shandong University of Technology Associate Professor Wang Xuezhen Nankai University doctoral student Li Ping Economic theory from the development point of view, the current tend to explore two aspects of the problem, one is “internalization” and the second is “outside In Sex. ” The former stems from Coase’s 1937 article “The Nature of Business.” Coase that the reasons for the formation and existence of enterprises is ...