User-generated content on social media platforms and product search engines is changing the way consumers shop for goods online. However, current product search engines fail to effectively leverage information created across diverse social media platforms. Moreover, current ranking algorithms in...

We investigate how the expansion of Craigslist into different states over a 11 year period in the United States affected the incidence of HIV. Using a natural experiment setup, we identify the effects of Craigslist's entry on HIV trends by exploiting the variations across states and time. After...

We develop an analytical framework to investigate the competitive implications of personalized pricing (PP), whereby firms charge different prices to different consumers based on their willingness to pay. We embed PP in a model of vertical product differentiation and show how it affects firms'...

The Internet has had profound effects on society, both positive and negative. In this paper we examine the effect of the Internet on a negative spillover: hate crime. In order to better understand the link, we study the extent to which broadband availability affects racial hatecrimes in the US...

We review research on revenue models used by online firms who offer digital goods. Such goods are non-rival, have near zero marginal cost of production and distribution, low marginal cost of consumer search, and low transaction costs. Additionally, firms can easily observe and measure consumer...

Given that information technology (IT) security has emerged as animportant issue in the last few years, the subject of securityinformation sharing among firms, as a tool to minimize securitybreaches, has gained the interest of practitioners and academics. Topromote the disclosure and sharing of...

We analyze how di erent dimensions of a seller's reputation a ectpricing power in electronic markets. We do so by using text miningtechniques to identify and structure dimensions of importance fromfeedback posted on reputation systems, by aggregating and scoring thesedimensions based on the...

We develop an analytical framework to investigate the competitiveimplications of personalized pricing and quality allocation (PPQ),whereby rms charge di¤erent prices and o¤erdi¤erent qualities to di¤erent consumers, based on theirwillingness to pay. We embed PPQ in a model of...

We develop an analytical framework to investigate the competitiveimplications of personalized pricing (PP), whereby firms chargedifferent prices to different consumers based on their willingness topay. We embed PP in a model of vertical product differentiation and showhow it affects firms’...

As Internet-based commerce becomes increasingly widespread, large datasets about the demand for and pricing of a wide variety of productsbecome available. These present exciting new opportunities for empiricaleconomic and business research, but also raise new statistical issuesand challenges. In...