NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

Chong Huang

University of California, Irvine
The Paul Merage School of Business
Building 221 Periera Drive
CA 92697-3125
Tel: 9498246254
Fax: 949-824-8469

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NBER Working Papers and Publications

December 2017Model Uncertainty, Ambiguity Aversion, and Market Participation
with David Hirshleifer, Siew Hong Teoh: w24143
Ambiguity aversion alone does not explain the market nonparticipation puzzle. We show that in a rational expectations equilibrium model with a fund offering the risk-adjusted market portfolio (RAMP), ambiguity averse investors hold the fund and an information-based portfolio, and thus participate in all asset markets, directly or indirectly. This result follows from a new separation theorem which states that an investor’s equilibrium portfolio can be decomposed into components, each matching the optimal portfolio based on only one information source (price versus private signal). Asset risk premia satisfy the CAPM with the fund as the pricing portfolio.
September 2013The Real Costs of Disclosure
with Alex Edmans, Mirko Heinle: w19420
This paper models the effect of disclosure on real investment. We show that, even if the act of disclosure is costless, a high-disclosure policy can be costly. Some information ("soft") cannot be disclosed. Increased disclosure of "hard" information augments absolute information and reduces the cost of capital. However, by distorting the relative amounts of hard and soft information, increased disclosure induces the manager to improve hard information at the expense of soft, e.g. by cutting investment. Investment depends on asset pricing variables such as investors' liquidity shocks; disclosure depends (non-monotonically) on corporate finance variables such as growth opportunities and the manager's horizon. Even if a low disclosure policy is optimal to induce investment, the manager may be...
 
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