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Working Paper
Cross-border diversification in bank asset portfolios
Taking the mean-variance portfolio model as a benchmark, we compute the optimally diversified portfolio for banks located in France, Germany, the U.K., and the U.S. under different assumptions about currency hedging. We compare these optimal portfolios to the actual cross-border assets of banks from 1995-1999 and try to explain the deviations. We find that banks over-invest domestically to a considerable extent and that cross-border diversification entails considerable gain. Banks underweight countries which are culturally less similar or have capital controls in place. Capital controls have ...
Journal Article
Banking deregulation helps small business owners stabilize their income
Once banking markets were opened up to geographic diversity and competition, more banks were in a better position to lend money to small businesses-even in tough times.
Working Paper
Consumption and aggregate constraints : evidence from U.S. states and Canadian provinces
State-level consumption exhibits excess sensitivity to lagged income to the same extent as US aggregate data, but state-specific (idiosyncratic) consumption exhibits substantially less sensitivity to lagged state-specific income---a result that also holds for Canadian provinces. We propose the following interpretation: borrowing and lending in response to changes in consumer demand is easier for an individual US state than it is for the US as a whole. The PIH may thus be a good model for describing the reaction of consumption to idiosyncratic disposable income shocks even if it fails at the ...