PUMA
Istituto di Scienza e Tecnologie dell'Informazione     
Guidotti R., Coscia M., Pedreschi D., Pennacchioli D. Behavioral entropy and profitability in retail. In: DSAA 2015 - IEEE International Conference on Data Science and Advanced Analytics (Paris, France, 19-21 October 2015). Proceedings, article n. 7344821. IEEE, 2015.
 
 
Abstract
(English)
Human behavior is predictable in principle: people are systematic in their everyday choices. This predictability can be used to plan events and infrastructure, both for the public good and for private gains. In this paper we investigate the largely unexplored relationship between the systematic behavior of a customer and its profitability for a retail company. We estimate a customer's behavioral entropy over two dimensions: the basket entropy is the variety of what customers buy, and the spatio-temporal entropy is the spatial and temporal variety of their shopping sessions. To estimate the basket and the spatiotemporal entropy we use data mining and information theoretic techniques. We find that predictable systematic customers are more profitable for a supermarket: their average per capita expenditures are higher than non systematic customers and they visit the shops more often. However, this higher individual profitability is masked by its overall level. The highly systematic customers are a minority of the customer set. As a consequence, the total amount of revenues they generate is small. We suggest that favoring a systematic behavior in their customers might be a good strategy for supermarkets to increase revenue. These results are based on data coming from a large Italian supermarket chain, including more than 50 thousand customers visiting 23 shops to purchase more than 80 thousand distinct products.
URL: http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=7344821
DOI: 10.1109/DSAA.2015.7344821
Subject Shopping behavior
Shopping pattern
Entropy
H.2.8 Database Applications. Data Mining
68W01


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