The Merger Mystery: Why Spend Ever More on Mergers When So Many Fail?

Statistical studies over the last forty-five years show that, although there are success stories, very many mergers and acquisitions do not result in the increased operating profits that economics textbooks would lead one to expect. As consultancy McKinsey have put it, ‘Anyone who has researched merger success rates knows that roughly 70% fail’. Yet—mysteriously—M&A activity has boomed across the globe, with a forty-fold increase in deals done each year now compared with four decades ago, i...