Network theory-based interventions could be particularly effective for promoting technology adoption when information friction serves as the major obstacle to technology diffusion. To inform policy makers interested in such interventions, this paper systematically reviews empirical evidence on...

The dynamics of information dissemination in social networks is of paramount importance in processes such as rumors or fads propagation, spread of product innovations or "word-of-mouth" communications. Due to the difficulty in tracking a specific information when it is transmitted by people,...

We report the results of a laboratory experiment investigating propagation of beliefs in a social network. During the experiment, participants faced several questions having objectively correct answers and could update their answers several times based on aggregate information about answers...

We develop a model of competing diffusions of goods on a social network. There are two types of goods and individuals: mass-market (more prevalent) and niche-market. We start with a general threshold rule and show that multiple equilibria prevail. Then, when everyone uses a single friend...

We study the effect of peer influence in the diffusion of the iPhone 3G across a number of communities sampled from a large dataset from a major European Mobile carrier in one country. We identify tight communities of users in which peer influence may play a role and use instrumental variables...

In the COVID-19 pandemic, an unseen high-volume discussion of the disease is observed in online social networks. Not only do scientists and scholars use online social networks to discuss COVID-19 related research findings, but the public also are eager to know up-to-date findings by viewing...