In contrast to empirical evidence, recent theories of cross-border mergers and acquisitions (M&As) assume perfect knowledge transfers - from high to low productivity firms - between acquirer and target. Using the Melitz (2003) model of heterogeneous firms, we develop a matching model of...

We provide evidence on operating performance changes at a sample of U.S. banks acquired by non-U.S. banking organizations over the 1980-2001 period. Our sample allows us to compare directly the pre-acquisition performance of the targets with their post acquisition performance, a comparison that...