NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

NBER Publications by Mona Haddad, Ms.

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August 2010Decomposing the Great Trade Collapse: Products, Prices, and Quantities in the 2008-2009 Crisis
with Ann Harrison, Catherine Hausman: w16253
We identify a new set of stylized facts on the 2008-2009 trade collapse that we hope can be used to shed light on the importance of demand and supply-side factors in explaining the fall in trade. In particular, we decompose the fall in international trade into product entry and exit, price changes, and quantity changes for imports by Brazil, the European Union, Indonesia, and the United States. When we aggregate across all products, most of the countries analyzed experienced a decline in new products, a rise in product exit, and falls in quantity for product lines that continued to be traded. The evidence suggests that the intensive rather than extensive margin mattered the most, consistent with studies of other countries and previous recessionary periods. On average, quantities declined...

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