Unless otherwise defined, the potential opportunities to reduce costs through mergers and acquisitions. – For mergers and acquisitions in the financial sector, a rule of thumb requires that at least eighty percent of the potential savings at all levels be achieved in the first year of the merger. In very few cases, however, has this occurred in major mergers to date. On the other hand, there have been enough cases where costs actually rose sharply after a merger of banks. In such cases, one also speaks of negative synergy or anergy (anergy: instead of a “2+2=5” effect, anergy implies “2+2=3”). – See alliances, cross-border, bank size, optimal, bank mergers, assertion strategy, contestability, Gibrat rule, gigabank, size effects, consolidation, megamania, Octopus, Penrose theorem, subsidiarity principle, deadwood, transaction bonus, takeover bid. – Cf. ECB Monthly Bulletin, May 2005, pp. 83 ff.
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University Professor Dr. Gerhard Merk, Dipl.rer.pol., Dipl.rer.oec.
Professor Dr. Eckehard Krah, Dipl.rer.pol.
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