I study liquidity traps in a model where agents have heterogeneous expectations and finite planning horizons. Backward-looking agents base their expectations on past observations, while forward-looking agents have fully rational expectations. Liquidity traps that are fully or partly driven by...

We propose a simple model of expectation formation with three distinct deviations from fully rational expectations. In particular, forecasters' expectations are sticky, extrapolate the most recent news about the current period, and depend on the lagged consensus forecast about the period being...