The Empirical Study On Impacts Of ERP Implementation On Listed Companies

About the literature on the ERP implementation in the past, more and more researchers used case studies to analyze the performance before and after the implementation of ERP. And these methods have significant limitations. It can't reflect the widespread implementation of the results. Therefore, this paper study on Shanghai and Shenzhen listed manufacturing companies, and use T-Test, Regression Analysis, which focused on the following three elements:(1) analyze and compare the performance before and after the implementation of ERP system, whether to make tangible benefits; (2) understanding business performance improvement after the application of ERP implementation; (3) find the existence of differences of business performance between domestic and foreign ERP suppliers.The results show:(1)After ERP implementation, enterprises can improve operational performance and company's asset turnover, inventory turnover rate in real terms of financial performance; (2)enterprises apply ERP system to improve firm performance has time-lag effect, need three or four years before they can really play its role; (3)In short term, the use of internal ERP systems improve enterprise efficiency faster; while in the long term, on the various indicators of the enterprise it is superior to the domestic enterprise.