DP10724 International Risk Sharing and Portfolio Choice with Non-separable Preferences
This paper aims to account for the Backus-Smith puzzle in a two-country DSGE model with endogenous portfolio choice in bonds and equities. Utility is non-separable across consumption and leisure and across time. This model is shown to imply almost zero correlation between relative consumption and the real exchange rate while generating portfolio positions that broadly match the data. Furthermore, the cross-country correlation of consumption is lower than the correlation of output, which has previously been a difficult fact to match. Non-separable preferences are found to be crucial to generating these results but financial market structure plays only a minor role.