Tests of excessive volatility along the lines of Shiller (1981) and Leroy and Porter (1981) count among the most convincing pieces of evidence against the validity of the time-honored efficient market hypothesis. Recently, using Shiller s distinction between ex-ante rational (fundamental) price...

Simonian Bounded Rationality and Complex Behavioral Economics -- Different Modeling Approaches for Time Lag in a Monopoly -- Learning in Monopolies with Delayed Price Information -- Hotelling Duopoly Revisited -- Dynamic Oligopoly Model with Production Adjustment and Investment Costs -- A...

This chapter surveys work on dynamic heterogeneous agent models (HAMs) in economics and finance. Emphasis is given to simple models that, at least to some extent, are tractable by analytic methods in combination with computational tools. Most of these models are behavioral models with boundedly...