As of the early 21st century, one of the most popular uses of the internet is for online shopping. In this study I examine how online purchasing affects levels of generalized social trust, a quality widely believed to be central to the health and well-being of contemporary societies. Drawing on...

We analyze the diffusion of rival information in a social network. In our model, rational agents can share information sequentially, unconstrained by an exogenous protocol or timing. We show how to compute the set of eventually informed agents for any network, and show that it is essentially...