Michael Porter, who looked closely at the activities of 33 large American companies between 1950 and 1986, found that 55% of their acquisitions were later divested.

• 迈克尔-波特，在1950之1986年间仔细考察了33家美国大型公司的活动情况，发现55%25的公司在并购后不久就发生剥离。