Recent studies have presented evidence of scale economies for large banks, providing a rationale for some very large banks seen worldwide. In this study, we focus on the negative side of bank size which relates to monitoring costs. In particular, we show that the relationship between size and...

We study a homogenous good triopoly in which firms first choose their cost-reducing R&D investments and consider alternative merger proposals, and then compete a la Cournot in the ensuing industry. We identify conditions under which both horizontal mergers and non-integration are sustained by...