Singh, Vishal P.; Hansen, Karsten T.; Blattberg, Robert C. - In: Marketing Science 25 (2006) 5, pp. 457-476
This paper provides an empirical study of entry by a Wal-Mart supercenter into a local market. Using a unique frequent-shopper database that records transactions for over 10,000 customers, we study the impact of Wal-Mart's entry on consumer purchase behavior. We develop a joint model of...