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Scanner Data: New Opportunities for Demand and Competitive Strategy Analysis

Published online by Cambridge University Press:  15 September 2016

Ronald W. Cotterill
Ronald W. Cotterill*
Affiliation:
Food Marketing Policy Center. Department of Agricultural and Resource Economics, University of Connecticut
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Abstract

This paper reviews prior research by agricultural economists on the demand for food products using scanner data. Thereafter, a differentiated product's oligopoly model with Bertrand price competition is developed and used to specify brand level demand and oligopoly price reaction equations. The model has sufficient detail to estimate brand level price elasticities and price response elasticities which in turn can be used to estimate three indices of market power. The first index estimated is the familiar Rothschild Index. The paper develops estimates two new indexes, the observed index and the Chamberlin quotient for tacit collusion. It concludes with comments on how the proposed method for the measurement of market power in a differentiated oligopoly can be improved.

Type
Invited Presentation
Information
Agricultural and Resource Economics Review , Volume 23 , Issue 2 , October 1994 , pp. 125 - 139
Copyright
Copyright © 1994 Northeastern Agricultural and Resource Economics Association 

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