Using a large-scale experiment involving 3.7 million treated subjects on Yahoo!, we measure the ability of online display advertising to cause new account sign-ups at an online business. We experiment with two dimensions of media choice: banner-shaped ads versus large rectangular ads, and Yahoo!...

We study the impact of display advertising on user search behavior using a field experiment. In such an experiment, the treatment group users are exposed to some display advertising campaign, while the control group users are not. During the campaign and the post-campaign period we monitor the...

Online consumer data presents new opportunities for measuring the effects of advertising. We combine search query data with the commercial schedule for the 2011 Super Bowl to measure the causal impact of TV advertising on consumer search behavior. Examining 46 of 67 Super Bowl commercials, we...