We analyze prescription behavior of physicians in the public and private sector. We study two major diseases for which … private sector physicians are more likely to prescribe the expensive medication. The result holds after controlling for … our cases, we further find that the same physicians prescribe different medication when working in different sectors …

We study the relation between ad networks, consumer privacy and the online advertising market. We consider two …). We show that tracking may increase or decrease the provision of ads, depending on its effect on expected advertising …

This paper studies the effect of advertising on content differentiation on YouTube, the second-most visited website in … the world. I demonstrate that an exogenous increase in the feasible advertising quantity leads to a considerable decrease …; thus, viewers who perceive advertising as a nuisance – and therefore as an implicit price they have to pay – could easily …

We use high frequency data on TV and radio advertising together with data on online sales for lottery tickets to … measure the short run effects of advertising. We find them to be strong and to last for up to about 4 hours. They are the … of this model and simulate the effects of a number of counterfactual dynamic advertising strategies. We find that …

We study consumer response towards sponsored search advertising and how to improve advertising performance on a large e … suggest that consumers dislike search advertising in our setting, but quality certificates mitigate this aversion and increase … advertising sales. …