Inference of Choice Sets: Application to Grocery Retailing

Anna Lu

VfS Annual Conference 2016 (Augsburg): Demographic Change from Verein für Socialpolitik / German Economic Association

Abstract: In the empirical literature on grocery retailing it is typically assumed that all consumers choose from the full set of products in the market. We develop an approach to formally test this assumption. Our test can be applied to individual-level purchase data. Unlike previous approaches it does not require stated data on choice sets; instead, it relies on only widely available cost shifter data. We show an application to the German retail market for milk and find that the model of homogeneous, full choice sets is outperformed by a model in which consumers consider only the products of the retailer they are currently shopping in.

JEL-codes: D12 L00 L13 (search for similar items in EconPapers)
Date: 2016
New Economics Papers: this item is included in nep-dcm
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Persistent link: https://EconPapers.repec.org/RePEc:zbw:vfsc16:145683

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