Validating gravity-based market share models using large-scale transactional data

Suhara, Yoshihiko and Bahrami, Mohsen and Bozkaya, Burçin and Pentland, Alex Sandy (2021) Validating gravity-based market share models using large-scale transactional data. Big Data, 9 (3). pp. 188-202. ISSN 2167-6461 (Print) 2167-647X (Online)

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Customer patronage behavior has been widely studied in market share modeling contexts, which is an essential step toward estimating retail sales and finding new store locations in a competitive setting. Existing studies have conducted surveys to estimate merchants' market share and factors of attractiveness to use in various proposed mathematical models. Recent trends in Big Data analysis allow us to better understand human behavior and decision making, potentially leading to location models with more realistic assumptions. In this article, we propose a novel approach for validating the Huff gravity market share model, using a large-scale transactional dataset that describes customer patronage behavior at a regional level. Although the Huff model has been well studied and widely used in the context of sales estimation, competitive facility location, and demand allocation, this article is the first in validating the Huff model with a real dataset. Our approach helps to easily apply the model in different regions and with different merchant categories. Experimental results show that the Huff model fits well when modeling customer shopping behavior for a number of shopping categories, including grocery stores, clothing stores, gas stations, and restaurants. We also conduct regression analysis to show that certain features such as gender diversity and marital status diversity lead to stronger validation of the Huff model. We believe we provide strong evidence, with the help of real-world data, that gravity-based market share models are viable assumptions for retail sales estimation and competitive facility location models.
Item Type: Article
Uncontrolled Keywords: behavioral analytics; Big Data analysis; customer patronage behavior; Huff model; market share
Divisions: Sabancı Business School
Depositing User: Burçin Bozkaya
Date Deposited: 01 Sep 2022 22:11
Last Modified: 01 Sep 2022 22:11

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