The optimal design of two-part tariffs is investigated in a dynamic model where two firms belonging to the same supply chain invest in R&D activities to increase the quality of the final product. It is shown that the replication of the vertically integrated monopolist's performance can be...

This study investigates whether and how customer firms' environmental, social and governance (ESG) performance impacts suppliers' green innovation quality using a sample of Chinese A-share listed companies from 2009 to 2022. We find that customers' ESG performance facilitates suppliers' green...