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...

Peer influence in social networks has been studied for over four decades by social scientists and marketing researchers. Due to recent growth of internet technologies and online social networks, research on peer influence has gained even more attention over the last decade. But, most extant...

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,...

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...

Peer-to-peer (P2P) services allow users to share networked resources, notably bandwidth and content, from the edges of the network. These services have been popularized because of file sharing – particularly the sharing of unlicensed copyrighted files. However, content owners are increasingly...

In spite of industry concerns, prior work has shown that Internet used book markets do not significantly cannibalize new book sales. In this research note we analyze similar data from markets for CDs and DVDs, goods that because of their digital characteristics may be more susceptible to...

Peer-to-peer networks have emerged as a popular alternative to traditional client-server architectures for the distribution of information goods. Recent academic studies have observed high levels of free-riding in various peer-to-peer networks, leading some to predict the imminent collapse of...