Simultaneous research efforts made in 1962 by Gary Becker and Vernon Smith proved that neither rationality nor complete information are necessary market conditions to reach a competitive equilibrium. Although behavioral extensions to this framework have shown significant progress towards a...

This paper investigates the asset pricing implications of investor disagreement about the likelihood of a systematic disaster. I specify a general equilibrium model with multiple trees and heterogeneous beliefs about rare event risk, to understand how risk-sharing mechanisms affect equity and...

The portfolio separating distribution is sufficient and necessary for a preference-free optimal choice only if the solution is assumed to be constant a priori. The portfolio separating condition is generalized. The new distribution class allowing for correlation uncertainty is defined as...

We extend the Consumption-based CAPM (C-CAPM) model to representative agents with different risk attitudes. We use the concept of expectation dependence and show that for a risk averse representative agent, it is the first-degree expectation dependence rather than the covariance that determines...

This paper shows that in asset pricing the information environment gives rise to a systematic risk factor when the informativeness of future news events varies with their content (i.e., bad news and good news are not equally informative). The paper further shows that in such cases (cross) serial...

We extend the Consumption-based CAPM (C-CAPM) model to representative agents with different risk attitudes. We first use the concept of expectation dependence and show that for a risk averse representative agent, it is the first-degree expectation dependence (FED) rather than the covariance that...

This paper investigates empirically the dynamics of investors' beliefs and Bayesian uncertainty about the state of the economy as state variables that describe the time-variation in investment opportunities. Using measures of uncertainty constructed from the state probabilities estimated from...

We provide simple examples to illustrate how wealth-driven selection works in asset markets. Our examples deliver both good and bad news. The good news is that if individual assets demands are expressed as a fractions of wealth to be invested in each asset, e.g. because traders maximize an...

This paper studies the effect of new fund flows on investment behavior and the resulting equilibrium price of risk. The Small Fund Industry model shows equilibria with overinvestment in unprofitable and underinvestment in profitable investment opportunities. The Large Fund Industry model derives...

We show theoretically that when Bayesian investors face time-series uncertainty about assets' risk exposures, differences in their priors affect the pricing of risk in the cross-section: different priors for the same asset can generate differences in perceived risk exposures, and thereby...