In this paper, we consider two firms diffusing incompatible technologies and their decision of consumer targeting. The technology adoption is made in two steps. First, once the firms sell their products to their respective targeted consumer, the technology is diffused successively by...

In an information society, people acquire information by forming a network or joining in associations. A set of associations is called a hypergraph. It is a generalization of a graph (or a network) in graph theory. While a link in a network directly connects only a pair of nodes, an association...

We examine the effect of competition on the incentive of firms to disclose quality to consumers before trade when information disclosure is not costless. We demonstrate that no firm will disclose information in the limit, no matter how small the disclosure cost is; that is, the market outcome...

Infinitely repeated interaction between a defendant and a plaintiff can enhance the credibility of cheap talk and improve efficiency in outcomes that would be feasible without cheap talk. The basic driving force is reputation effect. If the players are concerned about their reputation, cheap...