Economic Integration, Industrial Specialization, and the Asymmetry of Macroeconomic Fluctuations

We show empirically that regions with a more specialized production structure exhibit output fluctuations that are less correlated with those of other regions (less \symmetric fluctuations). Combined with the causal relation running from capital market integration to regional specialization found in an earlier study, this finding supports the idea that higher capital market integration leads to less symmetric output fluctuations. This mechanism counter-balances the effect of lower trade-barriers on the symmetry of fluctuations quantified by Frankel and Rose (1998). It is further argued that more asymmetric output shocks do not necessarily imply more asymmetric income shocks, since more cross-country ownership of productive assets may actually render income shocks more symmetric despite the greater asymmetry of output shocks. Some evidence in support of this claim is reported. Deriving a simple closed form expression for the gains from risk sharing for CRRA utility is an independent contribution of the present article.

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