We investigate stock market reactions to the announcement of the new, June 2022 European Union (EU) regulation on board gender diversity. We find positive abnormal market returns surrounding the EU announcement. The positive valuation effects are particularly strong for: firms in countries with...

We study whether board structure (board size, independence and gender diversity) in banks relates to performance. Using a broad panel of large US bank holding companies over the period 1997–2011, we find that both board size and independent directors decrease bank performance. Although gender...