Efficiency of correction for sample selection in QUAIDS models: an example for the fish demand in Germany

Julia Bronnmann (), Stefan Guettler and Jens-Peter Loy
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Stefan Guettler: Christian-Albrechts-University Kiel, Institute of Agricultural Economics
Jens-Peter Loy: Christian-Albrechts-University Kiel, Institute of Agricultural Economics

Empirical Economics, 2019, vol. 57, issue 4, No 15, 1469-1493

Abstract: Abstract This paper investigates the performance of the Quadratic Almost Ideal Demand System (QUAIDS) with and without accounting for the consistent two-step estimation for censoring of the dependent variable as well as the use of quality-adjusted prices. The demand systems are estimated for a commodity that has a relatively low consumption level in the German market, fish. Thus, the zero observations are quite high and the need of a correction procedure is more urgent. The results show differences in the applied methods. It turns out that ignoring consistent two-step estimation and quality-adjusted prices leads to less elastic demand estimates.

Keywords: Censored systems; Food demand; Price elasticities; Shonkwiler and Yen procedure; QUAIDS; C32; C33; D12; Q22 (search for similar items in EconPapers)
Date: 2019
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Citations: View citations in EconPapers (4)

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DOI: 10.1007/s00181-018-1491-y

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