Regression Models for Market-Shares

Kristina Birch; Jørgen Kai Olsen; Tue Tjur

Regression Models for Market-Shares

Kristina Birch, Jørgen Kai Olsen, Tue Tjur

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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.

Original language	English
Place of Publication	København
Publisher	Center for Statistics
Number of pages	22
Publication status	Published - 2005

Series	Preprint
Number	1/2005

Keywords

MCI model
Discrete choice model
Market shares
Price elasticity
Regression model

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6735Final published version, 268 KBLicence: CC BY-NC-ND

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Cite this

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AB - 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.

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KW - Price elasticity

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