Information risk is an endogenous element of the market dynamics that can be independent from contingent levels of market efficiency. Being structural, it may require to be remunerated by a specific risk premia or by returns from specific portfolio strategies. Drivers of information risk are...

This paper theoretically and empirically investigates how the risk of future adverse price changes created by the anticipated arrival of information influences risk-averse investors' trading decisions in institutionally imperfect capital markets. Specifically, I examine how the selling activity...

In a setting with information asymmetry and a tradable value-weighted market index, ambiguity averse investors hold undiversified portfolios, and assets have non-zero alphas. But when a passive fund offers the risk-adjusted market portfolio (RAMP) whose weights depend on information precisions...

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...