Summary
This article deals with three models of complete systems of demand equations (Rotterdam model, AIDS and CBS model). After the models and the theoretical restrictions have been described the parameters are estimated subject to an increasing number of restrictions and using aggregate time series for the Netherlands on five commodity groups.
As the initial results are not altogether satisfactory an attempt is made to improve the estimates by combining the time-series information with cross section data from the Dutch 1974/1975 budget survey. While the revised estimates of the income elasticities are more plausible than the initial ones, the reverse is true for the estimated price elasticities.
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This paper originated when I was a student of economics at the University of Amsterdam. I am greatly indebted to J.G. Odink who never failed to support and inspire me while I worked on this paper. Also I thank J.S. Cramer, D.A. Kodde and J. van Driel for their comments on an earlier draft, and G. Ridder for his econometric advice. Finally the comments of two anonymous referees are gratefully acknowledged. Of course all remaining errors and omissions are my own.
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Van Imhoff, E. Estimation of demand systems using both time series and cross section data. De Economist 132, 419–439 (1984). https://doi.org/10.1007/BF02380341
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DOI: https://doi.org/10.1007/BF02380341