Traded and Nontraded Goods Prices and International Risk Sharing: An Empirical Investigation

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Accounting for the pervasive evidence of limited international risk sharing is an important hurdle for open-economy models, especially when these are adopted in the analysis of policy trade-offs likely to be affected by imperfections in financial markets. Key to the literature is the evidence, at odds with efficiency, that consumption is relatively high in countries where its international relative price (the real exchange rate) is also high. We reconsider the relation between cross-country consumption differentials and real exchange rates by decomposing it into two components reflecting the prices of tradable and nontradable goods, respectively. We document that, as a common pattern among Organization of Economic Cooperation and Development (OECD) countries, both components tend to contribute to the overall lack of risk sharing, with the tradable price component playing the dominant role in accounting for efficiency deviations. We relate these findings to two mechanisms proposed by the literature to reconcile open economy models with the data. One features strong Balassa-Samuelson effects on nontradable prices due to productivity gains in the tradable sector, with a muted offsetting response of tradable prices. The other, endogenous income effects, causes nontradable but especially tradable prices to appreciate with a rise in domestic consumption demand.