技术引进成为发展中国家提高本国科技水平的重要方式之一,伴随着信息不对称等因素,技术引进过程中容易出现逆向选择的现象,本文对技术引进中逆向选择引起技术引进国社会福利变化进行研究,得出结论:信息对称条件下技术引进所带来的社会福利要远远高于信息不对称的情况。 The introduction of technology has become one of the important ways for developing countries to improve their science and technology level. Along with the information asymmetry and other factors, the phenomenon of adverse selection tends to occur in the process of technology introduction. This article conducts the adverse selection of technology introduction countries The study concluded that the social welfare brought by the technology introduction under information symmetry is much higher than the information asymmetry.