This paper analyzes the expected life-time utility and the hedging demands in an exchange only, representative agent general equilibrium under incomplete information. We derive an expression for the investor’s expected life-time utility, and analyze his hedging demands for intertemporal changes...

Ende der 90er Jahre schien eine intensive Auswahl der Investments kaum notwendig, da fast jede Aktienanlage deutliche Kursgewinne versprach. Nachdem jähen Absturz an den Börsen haben die Anleger einen beträchtlichen Teilihres Aktienvermögens verloren. Damit rücken wieder verstärkt...

Neben den klassischen Performancemaßen, wie der Sharpe-Ratio, der Treynor-Ratio und dem Jensen-Alpha wurden in den letzten Jahrzehnten weiterführende Ansätze für die Analyse und Bewertung vonKapitalanlagen entwickelt. Die moderneren Performancemaße verlangen keine Konstanz derRisikomaße...

We analyse questions of arbitrage in financial markets in which asset prices change in time as stationary stochastic processes. The main focus of the paper is on a model where the price vectors are independent and identically distributed. In the framework of this model, we find conditions that...

This paper examines properties of mean-variance inefficient proxies with respect to producing a linear relation between expected returns and betas. The numerical results of a Monte Carlo simulation show that in the CAPM slightly inefficient, positively weighted proxies cause an almost perfect...

This paper analyzes the effects that uncertainty about economic fundamentalshas on aggregate trading volume. First, the trading volume of an investor facinga standard consumption portfolio choice problem is derived. It is found that if theparameters describing the investment opportunity set...

Theories of investment suggest that the option value of waiting to invest is significant in many branches of economics, where investment is irreversible. The existing literature has generally failed to account for the general equilibrium feedback effects of lumpy investments on optimal...

We use data on actual holding periods for all investors in a stock market over a10-year period to investigate the links between holding periods, liquidity, and assetreturns. Microstructure measures of liquidity are shown to be important determinantsof the holding period decision of individual...

Using a new data set on investor sentiment we show that institutional and individualsentiment proxy for smart money and noise trader risk, respectively. First, usingbias-adjusted long-horizon regressions, we document that institutional sentiment forecastsstock market returns at intermediate...

The puzzling evidence of seemingly high momentum returns is related to an understanding ofrisk as a simple covariance. If we consider, however, risk in higher-order statistical moments,momentum returns appear less advantageous.