The legendary merger mania of the 1980s pales beside the M&A activity of this decade. In 1998 alone, 12,356 deals involving U.S. targets were announced for a total value of $1.63 trillion. Compare that with the 4,066 deals worth $378.9 billion announced in 1988, at the height of the 1980s merger movement. But the numbers should be no surprise. After all, acquisitions remain the quickest route companies have to new markets and to new capabilities. As markets globalize, and the pace at which technologies change continues to accelerate, more and more companies are finding mergers and acquisitions to be a compelling strategy for growth.

A version of this article appeared in the November–December 1999 issue of Harvard Business Review.