NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

Isabelle Mejean

D├ępartement d'Economie
Ecole Polytechnique
91128 Palaiseau Cedex
France

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NBER Working Papers and Publications

January 2016The Micro Origins of International Business Cycle Comovement
with Julian di Giovanni, Andrei A. Levchenko: w21885
This paper investigates the role of individual firms in international business cycle comovement using data covering the universe of French firm-level value added, bilateral imports and exports, and cross-border ownership over the period 1993-2007. At the micro level, controlling for firm and country effects, trade in goods with a particular foreign country is associated with a significantly higher correlation between a firm and that foreign country. In addition, foreign multinational affiliates operating in France are significantly more correlated with the source economy. The impact of direct trade and multinational linkages on comovement at the micro level has significant macro implications. Because internationally connected firms are systematically larger than non- internationally connec...
April 2014Firms, Destinations, and Aggregate Fluctuations
with Julian di Giovanni, Andrei Levchenko: w20061
This paper uses a database covering the universe of French firms for the period 1990--2007 to provide a forensic account of the role of individual firms in generating aggregate fluctuations. We set up a simple multi-sector model of heterogeneous firms selling to multiple markets to motivate a theoretically-founded decomposition of firms' annual sales growth rate into different components. We find that the firm-specific component contributes substantially to aggregate sales volatility, mattering about as much as the components capturing shocks that are common across firms within a sector or country. We then decompose the firm-specific component to provide evidence on two mechanisms that generate aggregate fluctuations from microeconomic shocks highlighted in the recent literature: (i) when ...

Published: Julian di Giovanni & Andrei A. Levchenko & Isabelle Mejean, 2014. "Firms, Destinations, and Aggregate Fluctuations," Econometrica, Econometric Society, vol. 82(4), pages 1303-1340, 07. citation courtesy of

 
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