Chipman, John S. and Eymann, Angelika and Ronning, Gerd and Tian, Guoqiang (1992): Estimating Price Responses of German Imports and Exports. Published in: European Integration in the World Economy (1992): pp. 574637.

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Abstract
This paper estimates tradedemand functions for Germany from monthly data covering the period 19591988. It is assumed that these tradedemand functions have the form of the Linear Expenditure System, generated by a shifted CobbDouglas tradeutility function in which the shift parameter is postulated to be a function of time (including trend and seasonal components) and to have a stochastic term with a lognormal distribution. A procedure called generalized maximum likelihood is used, and the results are compared with those of nonlinear least squares as a benchmark. The approach is applied to two models: (1) a sixcommodity model in which the dependent variables are net imports in six categories and the independent variables are six weighted averages of the import and exportprice indices for these categories as well as the trade deficit; (2) a twelvecommodity model in which the dependent variables are the gross imports and gross exports (the latter measured negatively) in the six categories and the independent variables are the twelve import and exportprice indices and the trade deficit. The latter model thus handles the case of “intraindustry trade”.
Item Type:  MPRA Paper 

Original Title:  Estimating Price Responses of German Imports and Exports 
Language:  English 
Keywords:  Price Response; German Imports and Exports 
Subjects:  E  Macroeconomics and Monetary Economics > E3  Prices, Business Fluctuations, and Cycles 
Item ID:  41301 
Depositing User:  Guoqiang Tian 
Date Deposited:  15. Sep 2012 20:53 
Last Modified:  04. May 2015 21:02 
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URI:  http://mpra.ub.unimuenchen.de/id/eprint/41301 