Many countries regulate the quality of food and drugs, yet it remains unclear whether markets can be relied upon to deliver high quality in the absence of regulation, notably where companies can advertise the superior quality of their products. We present evidence from two field experiments in...

Pharmaceutical firms continue to advertise more and more prescription drugs directly to consumers, advocating them to discuss the focal health condition and the efficacy of the advertised drug with their physicians. In this paper, we investigate the effectiveness of such direct-to-consumer...

Firms spend billions of dollars each year advertising consumer products in order to influence demand. Much of these outlays are on the creative design of advertising content. Creative content often uses nuances of presentation and framing that have large effects on consumer decision making in...

Time-series models of the demand for alcoholic beverages have been criticized for use of annual data; omitted variables; mis-measurement of advertising; simultaneous equations bias; and inadequate attention to nonstationarity and dynamics. This paper reappraises the relationship between alcohol...

Social advertising uses information about consumers' peers, including peer affiliations with a brand, product, organization, etc., to target ads and contextualize their display. This approach can increase ad efficacy for two main reasons: peers' affiliations reflect unobserved consumer...

Three studies demonstrate that the framing of redemption windows as expansive or restrictive, while keeping the actual length of the window constant, influences consumers' evaluations of sales promotions. When feasibility concerns are highlighted (e.g., in an implemental mindset), consumers...

We analyze a large-scale randomized field experiment in which a search engine varied the prominence of search ads for 3.3 million US users: one group of users saw the status quo, while the other saw a lower level of advertising (with prominence of search ads decreased). Revealed preference data...

Yahoo! Research partnered with a nationwide retailer to study the effects of online display advertising on both online and in-store purchases. We use a randomized field experiment on 3 million Yahoo! users who are also past customers of the retailer. We find statistically significant evidence...

We conduct a natural field experiment on the effect of having a celebrity endorse an information campaign aiming to induce pro-environmental behavior in the context of single-use plastics consumption. We find that an information campaign does not have a significant effect on behavior unless it...