摘要十九大报告希望通过混合所有制改革，使国企发展成为国际一流企业。因此，本文希望通过对洋河股份的三次混合所有制改革进行分析，找出其混改成功的关键，为国有企业混合所有制改革提供借鉴。本文首先回顾了混合所有制改革的理论研究状况，并基于科斯第二定理对混合所有制改革提升国有企业绩效进行了阐释，接着采用案例研究法对洋河的三次混合所有制改革进行研究分析，最终发现洋河股份的三次混改如此成功的原因有以下三点：1、增量改革，促进了混改的推进；2、引进员工持股，激发了企业的活力；3、国有企业产权得到越来越多的界定，进而改进了企业的制度。关键词：混合所有制改革 国有企业 洋河股份AbstractThe report hopes to transform state-owned enterprises into international first-class enterprises through the reform of mixed ownership. Therefore, this paper hopes to find out the key to the success of the mixed ownership reform through the analysis of the three mixed ownership reform of yanghe shares, and provide reference for the reform of mixed ownership of state-owned enterprises.This article first reviews the theory of mixed ownership reform research situation, and based on coase theorem 2 of mixed ownership reform in state-owned enterprise performance, and then using the case method of yanghe through analyzing the three mixed ownership reform, finally found the yanghe shares three mixed so successful has the following three points: 1, the incremental reform, promoting the mix to promote; 2. The introduction of employee stock ownership has stimulated the vitality of the enterprise; 3. The property rights of state-owned enterprises are more and more defined, thus improving the system of enterprises.Key words: mixed ownership reform state-owned enterprise yanghe shares.一、引言1.1 研究背景及意义党的十九大报告指出：“要完善各类国有资产管理体制，改革国有资本授权经营体制，加快国有经济布局优化、结构调整、战略性重组，促进国有资产保值增值，推动国有资...
