The influence of upstream and downstream supply chain management on the indonesia stock exchange

This study aims to analyze the effects of supply chain influence on initial Public Offering (IPO) and its implications on long term underperformance which is peroxided with the IHSG of IPO shares on the Indonesia stock exchange. IPO in this study is in 2016 with an analysis of 5 years period (2016-2020). The method used is the Purposive Sampling Method.