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The Home Bias and Capital Income Flows between Countries and Regions


Artis, Michael J; Hoffmann, Mathias (2007). The Home Bias and Capital Income Flows between Countries and Regions. Working paper series / Institute for Empirical Research in Economics No. 316, University of Zurich.

Abstract

This paper documents a marked increase in international consumption risk sharing throughout the recent globalization period. Unlike earlier studies that have found it difficult to document a consistent effect of financial globalization on international consumption comovements, we make use of the information implicit in the relative levels of consumption and output to measure long-run risk sharing among OECD countries and US federal states.nWe derive our empirical setup from a deliberately simplistic model in which countries can trade perpetual claims to each other's output (Shiller securi-nties). Our framework allows us to distinguish between two channels of risk sharing: ex ante diversification that leads to income smoothing through cap-nital income flows and ex-post consumption smoothing through savings and dissavings. The model successfully replicates the patterns of income andnconsumption smoothing observed in both U.S. state-level and international data. The increase in international consumption risk sharing is closely associated with the decline in international portfolio home bias. While capital income flows remain relatively limited as a channel of risk sharing at businessncycle frequencies, we find that better international portfolio diversification has led to a considerable increase in capital income flows at medium and long horizons.

This paper documents a marked increase in international consumption risk sharing throughout the recent globalization period. Unlike earlier studies that have found it difficult to document a consistent effect of financial globalization on international consumption comovements, we make use of the information implicit in the relative levels of consumption and output to measure long-run risk sharing among OECD countries and US federal states.nWe derive our empirical setup from a deliberately simplistic model in which countries can trade perpetual claims to each other's output (Shiller securi-nties). Our framework allows us to distinguish between two channels of risk sharing: ex ante diversification that leads to income smoothing through cap-nital income flows and ex-post consumption smoothing through savings and dissavings. The model successfully replicates the patterns of income andnconsumption smoothing observed in both U.S. state-level and international data. The increase in international consumption risk sharing is closely associated with the decline in international portfolio home bias. While capital income flows remain relatively limited as a channel of risk sharing at businessncycle frequencies, we find that better international portfolio diversification has led to a considerable increase in capital income flows at medium and long horizons.

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Additional indexing

Item Type:Working Paper
Communities & Collections:03 Faculty of Economics > Department of Economics
Working Paper Series > Institute for Empirical Research in Economics (former)
Dewey Decimal Classification:330 Economics
Language:English
Date:March 2007
Deposited On:29 Nov 2011 22:47
Last Modified:05 Apr 2016 15:11
Series Name:Working paper series / Institute for Empirical Research in Economics
ISSN:1424-0459
Official URL:http://www.econ.uzh.ch/wp.html
Permanent URL: http://doi.org/10.5167/uzh-52271

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