Cited by 133Customer churn and segmentationConsumer Market Behavior and PricingForecasting Techniques and Applications

Targeting Prospective Customers: Robustness of Machine-Learning Methods to Typical Data Challenges

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Simester, Duncan, Timoshenko, Artem, Zoumpoulis, Spyros I.·2020·Management Science

Abstract

We investigate how firms can use the results of field experiments to optimize the targeting of promotions when prospecting for new customers. We evaluate seven widely used machine-learning methods using a series of two large-scale field experiments. The first field experiment generates a common pool of training data for each of the seven methods. We then validate the seven optimized policies provided by each method together with uniform benchmark policies in a second field experiment. The findings not only compare the performance of the targeting methods, but also demonstrate how well the methods address common data challenges. Our results reveal that when the training data are ideal, model-driven methods perform better than distance-driven methods and classification methods. However, the performance advantage vanishes in the presence of challenges that affect the quality of the training data, including the extent to which the training data captures details of the implementation setting. The challenges we study are covariate shift, concept shift, information loss through aggregation, and imbalanced data. Intuitively, the model-driven methods make better use of the information available in the training data, but the performance of these methods is more sensitive to deterioration in the quality of this information. The classification methods we tested performed relatively poorly. We explain the poor performance of the classification methods in our setting and describe how the performance of these methods could be improved. This paper was accepted by Matthew Shum, marketing.

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Crossref · 10.1287/mnsc.2019.3308

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Authors
Simester, D., Timoshenko, A., & Zoumpoulis, S. I.
Affiliations
  • Massachusetts Institute of Technology (US)
  • INSEAD (FR)
Corresponding author
Simester, Duncan
Venue
Management Science
Published
2020-06
Volume
66
Issue
6
Pages
2495-2522
ISSN
  • 0025-1909 (ISSN-L)
  • 1526-5501
OpenAlex
W2985046451
Cited by
133
References
68
Citations by year
2026: 13 · 2025: 14 · 2024: 30 · 2023: 30 · 2022: 19 · 2021: 19 · 2020: 7 · 2018: 1
FWCI
14.76
Type
journal article
Language
en
Open access
Licence
cc-by-nc-sa
Locations
  • Management Science (publishedVersion)
  • DSpace@MIT (Massachusetts Institute of Technology) (submittedVersion, cc-by-nc-sa)
Topics
  • Social Sciences › Business, Management and Accounting › Marketing › Customer churn and segmentation
  • Social Sciences › Business, Management and Accounting › Marketing › Consumer Market Behavior and Pricing
  • Social Sciences › Decision Sciences › Management Science and Operations Research › Forecasting Techniques and Applications
Keywords
customer prospecting, field experiments, covariate shift, concept shift, data aggregation, class imbalance, classification methods, training data quality, new customer acquisition

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