Biswas and team report that “Consumers often shop online and in physical stores immediately after or while consuming caffeine. This is further facilitated by the increasing prevalence of coffee shops and also with some retail stores having in-store coffee bars and offering complimentary caffeinated beverages. . . . The results of a series of experiments conducted in the field (at multiple retail stores across different countries) and in the lab show that consuming a caffeinated (vs. non-caffeinated) beverage before shopping…