We provide a preference-based rationale for endogenous overconfidence. Horizon-dependent risk aversion, combined with a possibility to forget, can generate overconfidence and excessive risk taking in equilibrium. An “anxiety prone” agent, who is more risk-averse to imminent than to distant...

We study general equilibrium asset prices in a multi-period endowment economy when agents’ risk aversion is allowed to depend on the maturity of the risk. We find horizon-dependent risk aversion preferences generate a decreasing term structure of risk premia if and only if volatility is...