Promotions are a critical decision for supermarket managers who must decide the price promotions for a large number of items. Retailers often use promotions to boost the sales of the different items by leveraging the cross-item effects. We formulate the promotion optimization problem for...

This paper studies the impact of the online grocery retail channel on the variety and composition of shopping baskets. We use data from around one million shopping trips that capture both offline (brick-and-mortar) and online (Instacart) shopping behavior. We use unsupervised machine learning...

Retailers move products to eye-level shelves to boost their sales. However, little is known on what happens to the sales of products moved to other shelves as a result of bringing a product to the eye-level. We study how simultaneously changing the vertical locations of multiple products affects...