The impact of ride-hailing services on urban congestion has been difficult to disentangle due to a shortage of data and an appropriate empirical setting. Despite the preponderance of studies examining various aspects of their impact on urban mobility, such as relationship with public transit and...

With an abundance of products available online, many online retailers provide sales rankings to make it easier for the consumer to find the bestselling products. Successfully implementing product rankings online was done a decade ago by Amazon and more recently by Apple’s App store. However,...

Measuring peer influence in social networks is an important business and policy question that has become increasingly salient with the development of globally interconnected ICT networks. However, in spite of the new data sources available today, researchers still face many of the same...

Prior research suggests that social connections, including acquaintances, friends, and family, are valuable in a job search process. In these studies, the size of an average job seeker’s network was much smaller and limited by the available modes of communication and the costs associated with...

The introduction of broadband in schools provides a new resource for learning but also an opportunity for distraction. Consequently, broadband use in schools can either increase or reduce students' performance. This paper provides a model that shows how these two effects trade off. We use a rich...