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Please use this identifier to cite or link to this item: http://purl.umn.edu/127252

Title: CONSISTENT ESTIMATION OF LONGITUDINAL CENSORED DEMAND SYSTEMS: AN APPLICATION TO TRANSITION COUNTRY DATA
Authors: Meyerhoefer, Chad D.
Ranney, Christine K.
Sahn, David E.
Issue Date: 2003-10
Series/Report no.: WP 2003-33
Abstract: In this paper we derive a joint continuous/censored demand system suitable for the analysis of commodity demand relationships using panel data. Unobserved heterogeneity is controlled for using a correlated random effects specification and a Generalized Method of Moments framework used to estimate the model in two stages. In the first stage reduced form parameters are obtained through either ordinary least squares or heteroscedastic Tobit estimation, followed by the identification of structural parameters and imposition of cross-equation restrictions using minimum distance techniques. The procedure, which is demonstrated on data from Romania, yields elasticity estimates that lie within an intuitively pleasing range and reveals strong cross-substitution patterns between many commodity groups.
URI: http://purl.umn.edu/127252
Institution/Association: Cornell University>Department of Applied Economics and Management>Working Papers
Total Pages: 45
Collections:Working Papers

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