This paper analyzes productivity with a directional distance function model by investigating convexity and non-convexity in the Chinese banking sector. Two primary findings are summarized. First, there is a distinct change in productivity between large versus small banks and public versus...

This study investigated environmental, social, and governance (ESG) performance and its financial impacts across 38 economies from 2013 to 2022, with a special focus on firms in Asia. The main findings are as follows. First, notable disparities in ESG assessments were found across major rating...