Taste Parameters as Model Residuals: Assessing the "Fit" of an Armington Trade Model
AbstractWe note that calibration parameters in a multi-country Armington trade model play a role similar to that of econometric residuals: they allow the model to fit the data exactly. We use this premise to evaluate the "fit" of a standard multi-country computable general-equilibrium model. We find that the model relies heavily on these parameters to explain the pattern of trade. In 33 of the 46 commodity groups we assess, modeled economic behavior explains less than 20% of the variation in bilateral trade. In a calibration- as-estimation experiment, we estimate the commodity-specific elasticities of substitution consistent with a well-fitting model and find that they are substantially higher than widely accepted estimates. Copyright 2005 International Monetary Fund.
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Bibliographic InfoArticle provided by Wiley Blackwell in its journal Review of International Economics.
Volume (Year): 13 (2005)
Issue (Month): 5 (November)
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Web page: http://www.blackwellpublishing.com/journal.asp?ref=0965-7576
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- Yilmazkuday, Hakan, 2009.
"Understanding Interstate Trade Patterns,"
15952, University Library of Munich, Germany.
- Welsch, Heinz, 2008. "Armington elasticities for energy policy modeling: Evidence from four European countries," Energy Economics, Elsevier, vol. 30(5), pages 2252-2264, September.
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