Using novel data on firms' government relations staff, and two distinct empirical settings, we show that political activism enables firms to grow their market power. The documented increases in profit margins and market share persist for up to two years, and are concentrated among large...

This study explores the impact of corporate social responsibility (CSR) on the product market power by examining listed firms on the Taiwan Stock Exchange and Taipei Exchange from 2005 to 2017. We use CSR awards as a social responsibility indicator, and the results show a positive relationship...