This paper studies the effects of misspecified boundaries of competition on optimal retail pricing using store-level supermarket scanner data. We focus on two types of misspecification: (i) misspecification of the demand estimation problem, which can arise from either defining the product market...

While the interest in smart shopping carts is growing, both retailers and consumer groups have concerns about how real-time spending feedback will influence shopping behavior. Building on budgeting and spending theories, the authors conduct three lab and grocery store experiments, which robustly...

Through private labels, retailers typically provide their customers access to products that are cheaper than national brands. But how large (if any) are the discounts the shoppers receive for private labels relative to national brands in online grocery markets? Using the case of Walmart’s...