Great strides have been made in the theory of bank technology in terms of explaining banks' comparative advantage in producing informationally intensive assets and financial services and in diversifying or offsetting a variety of risks. Great strides have also been made in explaining sub-par...

Bank consolidation is a global phenomenon. It may enhance the value of firms in the industry if, for example, it is driven by scale and scope economies, but skeptics often accuse bankers of sacrificing value to build empires. Using data on bank holding companies in the U.S., we find strong...