Private equity raises money to buy a company with the primary objective of improving the fortunes of an under-performing firm to ultimately seek a re-flotation on the stock exchange or to sell it on at a profit.
But when researchers at Warwick Business School, Cardiff University and Loughborough University looked at all of the publicly-listed firms that had gone through a private-equity buy-out in the UK between 1997 and 2006 that was far from what they found.
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