We propose a heuristic switching model of an asset market where the agents' choice of heuristic is consistent with their individual risk aversion. They choose between a fundamentalist and a trend-following rule to form expectations about the price of a risky asset. Given their risk aversion,...

We investigate the effect of preannounced market intervention on an asset price as well as participants' welfare in an experimental frame- work where participants have consumption smoothing motives to trade the asset. The results show that, on one hand, the preannounced inter- vention results in...

We empirically evaluate a behavioural model with boundedly rational traders who disagree about the persistence of deviations from the fundamental stock price. Fundamentalist traders believe in mean-reversion, while chartists extrapolate trends. Agents gradually switch between the two rules,...