Within the last three years, Google has acquired YouTube and DoubleClick and has attempted to control part of Yahoo!'s search advertising business. Two of the deals have not raised antitrust concerns by competition authorities. I review these deals with a focus on consumer welfare. Consumers are...

The information and communications revolution has hastened the process of globalization in today's world of business. Consequently, businesses, even small and mid-sized companies, are confronted with cultural diversity when these companies become internationally active. Yet only few businesses...

We derive equilibrium incentives to use comparative advertising that pushes up own brand perception and pulls down the brand image of targeted rivals. Data on content and spending for all TV advertisements in OTC analgesics enable us to construct matrices of dollar rival targeting and estimate...

This paper is the first to estimate the impact of exposure to deceptive advertising on consumption of the advertised product and its substitutes. We study the market for over-the-counter (OTC) weight-loss products, a market in which deceptive advertising is rampant and products are generally...

Through social media, politicians can personalize their campaigns and target specific groups of voters with an unprecedented precision. We assess the effects of such political micro-targeting by exploiting daily advertising prices on Facebook during the 2016 US presidential campaign. We measure...

To what extent did external events and news versus the candidates' own actions drive the 2016 election outcome? And were candidates misled if they focused on traditional market research versus the newer probabilistic polls? Based on the dynamic political will formation framework, the authors...

As U.S. corporate profit margins have made it to record highs, a debate has raged between those who place their hopes on a new paradigm of sustained high profits and those who believe in capitalism's efficiency and the tendency of margins to revert to the mean. Using a bottoms-up analysis...

We conduct an empirical case study of the U.S. beer industry to analyze the disruptive effects of locally-manufactured, craft brands on market structure, an increasingly common phenomenon in CPG industries typically attributed to the emerging generation of adult Millennial consumers. We document...

We study the characteristics and behavior of small campaign donors and compare them to large donors by building a dataset including all the 340 million individual contributions reported to the U.S. Federal Election Commission between 2005 and 2020. Thanks to the reporting requirements of online...