We modify Samuelson's multiplier-accelerator model to explore the influence of expectations on fluctuations in economic activity. Within our model, the agents use a nonlinear mix of extrapolative and regressive forecast rules to predict the output. Our model is able to mimic some generic...

This chapter surveys the state-of-art of heterogeneous agent models (HAMs) in finance using a jointly theoretical and empirical analysis, combined with numerical analysis from the latest development in computational finance. It provides supporting evidence on the explanatory power of HAMs to...