I present evidence that large individual income changes can help explaining the size and value premium in a cross-section of portfolio returns. I develop a tail risk measure, the Idiosyncratic Income Risk Factor and estimate it on US income data. The results show that the extreme income shocks...

I propose a strategy for the empirical evaluation of prospect theory that links concepts from the literature on asset pricing with heterogeneous agents to behavioral finance. I develop an asset pricing model in which two representative agents maximize their utility by investing in risky assets....