This article explores the interaction between aggregate initial human capital, life expectancy and domestic investment. The article introduces a simple model that predicts that the positive effect of life expectancy on the domestic investment rate is mitigated in economies with a higher level of initial human capital. Using a large panel of countries over the
We build a model of bank concentration. Banks and entrepreneurs meet in a credit market characterized by search frictions and negotiate repayment rates à la Nash. Banks are large in the sense that they allocate credit to more than one entrepreneur through branches and there is bank heterogeneity in terms of their cost structure. Banks