Earlier studies found little evidence of scale economies at large banks; later studies using data from the 1990s uncovered such evidence, providing a rationale for very large banks seen worldwide. Using more recent data, we estimate scale economies using two production models. The standard...

In the wake of the financial crisis that began in 2007, policy makers have focused again on the largest financial firms to consider the association of their size with systemic risk. An equally important question examines whether their size benefits the economy. In particular, is the size of our...

We examine the informational effects of M&As by investigating whether bank mergers improve banks� ability to screen borrowers. By exploiting a dataset in which we observe a measure of a borrower�s default risk that the lenders observe only imperfectly, we find evidence of these...