Optimizable and implementable aggregate response modeling for marketing decision support

Sönke Albers

doi:10.1016/j.ijresmar.2012.03.001

Optimizable and implementable aggregate response modeling for marketing decision support

2012-06-01

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Sönke Albers *

DOI：10.1016/j.ijresmar.2012.03.001

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Abstract

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The methodological discussion on the calibration of aggregate marketing response models has shifted away from how to obtain usable input for optimization toward how to avoid biases in statistical estimation. The purpose of this article is to remind researchers that such calibration is performed either to support managers in their marketing-mix decisions or to create general knowledge that leads to a better understanding of marketing relationships and thus indirectly supports decisions. Both goals require response models that are optimizable. The models must also be implementable if actual decision support is the objective. Herein. I identify several aspects for which these requirements are not always fulfilled: First, the appropriateness of the chosen functional form of the marketing response models is rarely discussed, although different forms imply quite different optimal solutions. Second, endogeneity is taken into account by structural equations, even though we lack sufficient information on how managers reach their decisions. Third, estimation methods for response models are often evaluated based on goodness-of-fit, while an assessment of their usefulness for subsequent optimization is neglected. Therefore, I provide recommendations for improving the current practice by better specifying the response function and undertaking more simulation-based evaluations of the best estimation method for use in subsequent optimization: With respect to implementation, usability can be facilitated using spreadsheets and heuristics. Moreover, gaining generalizable and replicable knowledge requires better documentation of results, which can be achieved through providing elasticities and as many details as are necessary to replicate a study, thereby enabling faster learning. (C) 2012 Elsevier B.V. All rights reserved.

Keywords:

PROMOTIONAL COSTS/SALES RATIO

INSTRUMENTAL VARIABLES

EXPLAINING VARIATIONS

SALES

ENDOGENEITY

INDUSTRIAL

CUSTOMER

CHOICE

RESPONSIVENESS

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Optimizable and implementable aggregate response modeling for marketing decision support

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