Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/145683
Authors: 
Lu, Anna
Year of Publication: 
2016
Series/Report no.: 
Beiträge zur Jahrestagung des Vereins für Socialpolitik 2016: Demographischer Wandel - Session: Empirical IO A02-V1
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: 
L00
D12
L13
Document Type: 
Conference Paper

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