Cross-Section Data, Disequilibrium Situations and Estimated Coefficients: Evidence from Car Ownership Demand
XREAP Working Paper No. 2007-4
18 Pages Posted: 24 May 2011
Date Written: June 1, 2007
The objective of this paper is to analyse to what extent the use of cross-section data will distort the estimated elasticities for car ownership demand when the observed variables do not correspond to a state equilibrium for some individuals in the sample. Our proposal consists of approximating the equilibrium values of the observed variables by constructing a pseudo-panel data set which entails averaging individuals observed at different points of time into cohorts. The results show that individual and aggregate data lead to almost the same value for income elasticity, whereas with respect to working adult elasticity the similarity is less pronounced.
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