Travelers often are incompletely informed about travel alternatives, which has important implications for various domains of travel behavior such as whether or not to make a trip, modal choice, the timing of a trip or route choice. During the last decade large efforts have been made to increase...

Google's new “Interest Based Advertising” (IBA) program represents the company's first foray into what is generally called “Online Behavioral Advertising”: In order to deliver more relevant advertising, Google will begin tailoring ads delivered through AdSense on the Google Content...

Commercial (and non-commercial) science publishing has evolved as a solution to a number of problems in the market for research results. It has reduced transaction costs by bringing together authors and readers, which is just the simple advantage of market intermediaries. It has delivered added...

Proximity to information resources has repeatedly been shown to affect urban development. However, individuals' increased abilities to access information content electronically may have dampened urban areas' comparative advantage of proximity-driven knowledge flows. We investigate the effects of...

This paper develops an identification strategy to generate unbiased estimates of Internet usage spillovers using a unique data set of US households. I identify multiple potential sources of learning including those from the household's locality, from educational Internet subsidies, and from...

We use individual and aggregate data to ask how the Internet is changing the ideological segregation of the American electorate. Focusing on online news consumption, offline news consumption, and face-to-face social interactions, we define ideological segregation in each domain using standard...

Collecting and displaying product reviews written by consumers is a common practice for many retail websites. These websites, however, differ in their choice to reveal aggregate review statistics on the product list displayed while consumers browse or search to make initial product selections....

One of the most vexing problems in privacy policy is identifying consumer harm from unwanted observation; because it is highly subjective and is likely to vary greatly throughout the population, it doesn't lend itself to easy measurement. Yet, these types of situations increasingly are the focal...

One of the most convincing explanations papers generally provide concerning clusters in knowledge-based economies refers to the geographically bounded dimension of knowledge spillovers. Here, we shall underline that location decision externalities precede local knowledge spillovers in the...

Today, many platforms rely on contributions by users to create value. While they play an increasing role in today's digital economy, little is known about how dominant user-driven platforms emerge and what determines the production of content here. We aim to extend our understanding of this...