U.S. banks have increasingly diversified into activities traditionally considered as non-core for the banking sector. This paper investigates whether diversification influences banks' investment (credit) policy and profitability. Diversified banks appear to benefit from “coinsurance,” supply...

Abstract U.S. firms have reduced their investment in scientific research ("R") compared to product development ("D"), raising questions about the returns to each type of investment, and about the reasons for this shift. We use Census data that disaggregates "R" from "D" to study how US firms...

Recent research has documented a U-shaped industrial concentration curve over an economy's development path. How far can neoclassical trade theory take us in explaining this pattern? We estimate the production side of the Heckscher-Ohlin model using industry data on 44 developed and developing...