Between 1990 and 2002 a wave of takeovers was observed in the North American and European energy utilities market. We analyze the impact of these takeovers on market power, studying 70 takeovers of US-American and 69 takeovers of German energy utilities by applying event study methodology. Stock...

Friedrich Hayek conjectured that the free enterprise system is the most effective in making discoveries, and Israel Kirzner refines the conjecture by saying that profit opportunities evoke entrepreneurial discovery. Demmert and Klein (2003) present the first attempt to demonstrate the...

We study the valuation impact on 148 insurance stocks caused by 25 of the largest catastrophic events that occurred in recent history. Because of their exceptional severity and the consequent high attention they experience in the media we expect to find significant overreactions of insurance...

Purpose: The fundamental theory of Modigliani and Miller (1958) states that a firm's financing decisions are independent from the firm's value. Nevertheless, several empirical studies as well as theoretical approaches from the past decade impugn this relation for real markets with their...

We analyze the wealth effects of 114 domestic and international acquisitions announced by Swiss corporations between 1990 and 2001. We find no difference between national and cross-border mergers. This may indicate that the international capital markets are highly integrated and is in contrast...