This paper investigates the short-term market reaction of nine profit-efficiency, pre-classified merger deals of US banks over the time period from 1992 to 2003. The findings show that mergers combining low efficiency acquirers and targets create significant market returns following the merger...

Using the non-parametric data envelopment approach, the long-run profit efficiency of nine pre-classified merger deals of merging and non-merging U.S. banks is investigated during the period from 1992 to 2003 for a sample of 359 merger deals. The findings show that, in general, large acquirers...