Overconfidence is the most prevalent judgment bias. Several studies find that overconfidence can lead to suboptimal decisions on the part of investors, managers, or politicians. This chapter explains which effects are usually summarized as overconfidence, shows how to measure these effects, and...

We describe a symmetric continuous-time model of trading among relatively overconfident, oligopolistic informed traders with exponential utility. Traders agree to disagree about the precisions of their continuous flows of Gaussian private information. The price depends on a trader's inventory...

This paper proposes that the global financial and economic crisis has a single cause underlying all other causes. The single cause is attributed to the economic paradigm which drives individual behaviour, business, government and education. We define the economic paradigm and explain its power...

We develop a method of solving rational expectations models with dispersed information anddynamic strategic complementarities. In these types of models, the equilibrium outcome hingeson an infinite number of higher-order expectations which require an increasing number of statevariables to keep...

This paper surveys the research in the past decade on imperfect information models of aggregate supply and the Phillips curve. This new work has emphasized that information is dispersed and disseminates slowly across a population of agents who strategically interact in their use of information....