Global Business Cycles: Convergence or Decoupling?

By Ayhan Kose, Eswar S Prasad, Christopher Otrok

June 1, 2008

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Ayhan Kose, Eswar S Prasad, and Christopher Otrok. Global Business Cycles: Convergence or Decoupling?, (USA: International Monetary Fund, 2008) accessed November 23, 2024

Disclaimer: This Working Paper should not be reported as representing the views of the IMF.The views expressed in this Working Paper are those of the author(s) and do not necessarily represent those of the IMF or IMF policy. Working Papers describe research in progress by the author(s) and are published to elicit comments and to further debate

Summary

This paper analyzes the evolution of the degree of global cyclical interdependence over the period 1960-2005. We categorize the 106 countries in our sample into three groups-industrial countries, emerging markets, and other developing economies. Using a dynamic factor model, we then decompose macroeconomic fluctuations in key macroeconomic aggregates-output, consumption, and investment-into different factors. These are: (i) a global factor, which picks up fluctuations that are common across all variables and countries; (ii) three group-specific factors, which capture fluctuations that are common to all variables and all countries within each group of countries; (iii) country factors, which are common across all aggregates in a given country; and (iv) idiosyncratic factors specific to each time series. Our main result is that, during the period of globalization (1985-2005), there has been some convergence of business cycle fluctuations among the group of industrial economies and among the group of emerging market economies. Surprisingly, there has been a concomitant decline in the relative importance of the global factor. In other words, there is evidence of business cycle convergence within each of these two groups of countries but divergence (or decoupling) between them.

Subject: Business cycles, Consumption, Emerging and frontier financial markets, Factor models, Globalization

Keywords: Country factor, Industrial country, WP

Publication Details

Pages:

49
Volume:

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DOI:

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Issue:

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Series:

Working Paper No. 2008/143
Stock No:

WPIEA2008143
ISBN:

9781451870015
ISSN:

1018-5941

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