The UBS- Credit Suisse (CS) merger in March 2023, one of the biggest banking unions in history, was an emergency rescue … deal engineered by Swiss authorities to avoid more market-shaking turmoil in global banking. The merger resulted in a … around the merger announcement through abnormal returns to UBS stockholders (7.95%) and CS bondholders (34.74%), equivalent …

,300 mergers that took place between 1978 and 2001 to analyse the determinants of international bank mergers. We test the extent to … which information costs and regulations hold back merger activity. Our results suggest that banks operating in more … regulated environments are less likely to be the targets of international bank mergers. Hence, the lifting of regulations can …