Addressing Pre-Commitment Bias with a Generalized EASI Model: An Application to Food Demand in Russia

Vardges Hovhannisyan and Aleksan Shanoyan

Journal of Agricultural and Resource Economics, 2019, vol. 44, issue 01

Abstract: The Exact Affine Stone Index (EASI) demand model offers distinct advantages over its predecessors. However, it does not account for pre-committed demand. This can bias elasticity estimates when such pre-commitments are present. We derive a generalized EASI model that allows for pre-committed demand. We illustrate the advantage of this model in an empirical analysis of food demand in Russia using provincial-level panel data. The results provide strong empirical evidence for the presence of pre-committed demand for key food commodities. The findings extend the literature on food demand in Russia by estimating elasticities that account for pre-commitments and unobserved regional heterogeneity.

Keywords: Consumer/Household Economics; Demand and Price Analysis (search for similar items in EconPapers)
Date: 2019
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Citations: View citations in EconPapers (5)

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Persistent link: https://EconPapers.repec.org/RePEc:ags:jlaare:281314

DOI: 10.22004/ag.econ.281314

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