Regression Models for Market-Shares

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Regression Models for Market-Shares

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Title: Regression Models for Market-Shares
Author: Birch, Kristina; Olsen, Jørgen Kai; Tjur, Tue
Abstract: On the background of a data set of weekly sales and prices for three brands of coffee, this paper discusses various regression models and their relation to the multiplicative competitive-interaction model (the MCI model, see Cooper 1988, 1993) for market-shares. Emphasis is put on the interpretation of the parameters in relation to models for the total sales based on discrete choice models. Key words and phrases. MCI model, discrete choice model, market-shares, price elasitcity, regression model.
URI: http://hdl.handle.net/10398/6735
Date: 2005-02-08

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