A large portion of our economic interactions involves a very small portion of the population. We seem to prefer familiar venues. But the tendency to focus our attention on a few individuals or activities is an attribute that is typically omitted in our characterization of markets. In markets...

Observing the increasingly important roles played by the creation and transmission of information and tacit knowledge, we construct an information-network model incorporating both information transmitters and information aggregators. Given information-processing roles in aggregation or...

The prevalence of false and misleading news has become an issue of great concern in recent years. Academic researchers, policy makers, and social media firms all continue to seek effective solutions to reduce the sharing of misinformation. In this paper, we evaluate the effectiveness of two...

We study experimentally whether and when a shared history of signals affects players' incentives to cooperate in infinitely repeated prisoner's dilemmas. We compare games where the player can privately observe imperfect signals about her partner's actions to games where signals are perfect and...

The credit rating industry has historically been dominated by just two agencies, Moody’s and S&P, leading to longstanding legislative and regulatory calls for increased competition. The material entry of a third rating agency (Fitch) to the competitive landscape offers a unique experiment to...

This paper considers the problem of a decision maker who is faced with a dynamic decision problem with several alternatives, and additionally can engage in prior consultation on one of the alternatives. Information received from others is coarse. When consulting on an alternative that the...

A model is developed in which economic agents learn to make price-setting, price-response, and resource allocation decisions in decentralized markets where all information and interaction is local. Computer simulation shows that it is possible for agents to act almost as if they had the...

This paper aims to explore the relevance of the Theory of Argumentation TA in the complex area of financial reporting. Specifically, we investigated the scope of the phenomenon of persuasion in advertising. It examines advertisements in publications notable economic movement in Colombia. The...