Does information asymmetry affect the cross-section of expected stock returns? We explore this question using representative portfolio holdings data from the Shanghai Stock Exchange. We show that institutional investors have a strong information advantage, and that past aggressiveness of...

Collateral frictions have a profound effect on our economic landscape, ranging from the design of financial securities, laws, institutions, to various rules and regulations. We analyze a model with disagreement, where securities and collateral requirements are endogenous. It shows that the...

We administer a survey to thousands of affluent Americans about their personalities and investments. The Big Five personality traits can explain the heterogeneity among investors in their beliefs about the stock market and economy, risk preferences, and social-interaction tendencies. Two...

Can investors with incorrect beliefs survive in financial markets and have a significant impact on asset prices? My paper addresses this issue by analyzing a dynamic general equilibrium model where some investors have rational expectations while others have incorrect beliefs concerning the mean...

This article analyzes the implications of money illusion for investor behavior and asset prices in a securities market economy with inflationary fluctuations. Money illusion is modeled as an investor's partial overlooking the impact of inflation on the purchasing power of currency in his...

News about an individual stock normally has only a trivial impact on the aggregate economy. The news of the aggregate stock market, however, may have a significant impact on the prospects of the economy, and so has a large impact on the pricing kernel. This difference between the aggregate stock...

When two investors agree to disagree on market prospects and bet against each other, both expect to profit from their trades. Hence, an increase in disagreement leads to higher perceived trading profits and lower marginal utilities for both investors, so disagreement betas can affect...

This paper presents a dynamic equilibrium model of bond markets in which two groups of agents hold heterogeneous expectations about future economic conditions. The heterogeneous expectations cause agents to take speculative positions against each other and therefore generate endogenous relative...

Conventional wisdom suggests that investors' independent biases should cancel each other out and have little impact on equilibrium at the aggregate level. In contrast to this intuition, this paper analyzes models with biased investors and finds that biases often have a significant impact on the...

This article analyzes the implications of money illusion for investor behavior and asset prices in a securities market economy with inflationary fluctuations. We provide a belief-based formulation of money illusion which accounts for the systematic mistakes in evaluating real and nominal...