The phenomenon of sponsored search advertising – where advertiserspay a fee to Internet search engines to be displayed alongside organic(non-sponsored) web search results – is gaining ground as thelargest source of revenues for search engines. Using a unique paneldataset of several hundred...

Information systems and the Internet have facilitated the creation of used product markets that feature a dramatically wider selection, lower search costs, and lower prices than their brick-andmortar counterparts do. The increased viability of these used product markets has caused concern among...

Internet referral services, hosted either by independent third-party infomediaries or by manufacturers serve as ``lead-generators'' in electronic marketplaces, directing consumer traffic to particular retailers. The conventional wisdom on Internet referral services is that they are valuable to...

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...

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...

Given that Information Technology (IT) security has emerged as an important issue in the last few years, the subject of security information sharing among firms, as a tool to minimize security breaches, has gained the interest of practitioners and academics. To promote the disclosure and sharing...

As Internet-based commerce becomes increasingly widespread, large data sets about the demand for and pricing of a wide variety of products become available. These present exciting new opportunities for empirical economic and business research, but also raise new statistical issues and...

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