the failure of financial modeling. More specifically, current risk models have failed to properly assess the risks … over prevailing models for evaluating stock market risk exposure during distressed market periods. -- ARMA-GARCH model ; α …-stable distribution ; tempered stable distribution ; value-at-risk (VaR) ; average value-at-risk (AVaR) …

We examine asset prices in a representative-agent model of general equilibrium. Assuming only that individuals are risk … averse, we determine conditions on the changes in asset risk that are both necessary and sufficient for the asset price to … incomplete in the sense of containing an uninsurable background risk, such as a risk on labor income. We extend our model to show …

the consumption-based specification of the risk premium. The relevance of Knightian uncertainty is inconsistent with all … REH models, regardless of how they specify the market's risk premium. Our evidence is also inconsistent with bubble …