Showing 1 - 10 of 26
control problem. The robust portfolio rule indicates that the total holdings of risky assets as a proportion of the investor … asset. Furthermore, in the optimal robust portfolio the investor may increase the holdings of the asset for which there is …
Persistent link: https://www.econbiz.de/10011602543
makes an ambiguity averse decision maker (DM) worse off but does not affect the welfare of an ambiguity neutral DM. A more …
Persistent link: https://www.econbiz.de/10011694759
Most decisions concerning (self-)insurance and self-protection have to be taken in situations in which a) the effort exerted precedes the moment uncertainty realises, and b) the probabilities of future states of the world are not perfectly known. By integrating these two characteristics in a...
Persistent link: https://www.econbiz.de/10010486991
This paper studies the information content of the S&P 500 and VIX markets on the volatility of the S&P 500 returns. We estimate a flexible affine model based on a joint time series of underlying indexes and option prices on both markets. An extensive model specification analysis reveals that...
Persistent link: https://www.econbiz.de/10011410916
This paper decomposes the risk premia of individual stocks into contributions from systematic and idiosyncratic risks. I introduce an affine jump-diffusion model, which accounts for both the factor structure of asset returns and that of the variance of idiosyncratic returns. The estimation is...
Persistent link: https://www.econbiz.de/10011410917
We derive a model-free option-based formula to estimate the contribution of market frictions to expected returns (CFER) within an asset pricing setting. We estimate CFER for the U.S. optionable stocks. We document that CFER is sizable, it predicts stock returns and it subsumes the effect of...
Persistent link: https://www.econbiz.de/10011932555
This paper assessed the quantitative impact of ambiguity on historically observed financial asset returns and growth rates. The single agent, in a dynamic exchange economy, treats the conditional uncertainty about the consumption and dividends next period as ambiguous. We calibrate the agent's...
Persistent link: https://www.econbiz.de/10011756113
While empirical literature has documented a negative relation between default risk and stock returns, the theory suggests that default risk should be positively priced. We provide an explanation for this "default anomaly", by calculating monthly probabilities of default (PDs) for a large sample...
Persistent link: https://www.econbiz.de/10011861135
In many futures markets, trading is concentrated in the front contract and positions are rolled-over until the strategy horizon is attained. In this paper, a pair-wise comparison between the conventional risk premium and the accrued risk premium in rolled-over positions in the front contract is...
Persistent link: https://www.econbiz.de/10011451477
We propose a new predictor of real economic activity (REA), namely the representative investor's implied relative risk …
Persistent link: https://www.econbiz.de/10010499597