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I study the effects of risk and ambiguity (Knightian uncertainty) on optimal portfolios and equilibrium asset prices … ambiguity leads to portfolio inertia and excess volatility. Specifically, when news is surprising, then investors may not react …
Persistent link: https://www.econbiz.de/10013133587
An analysis of the Survey of Consumer Finance shows that wealthy investors have a higher return on their stocks than their poorer counterparts. Three key empirical facts emerge: (i) wealthy investors employ more productive search efforts, (ii) financial risk bearing and search efforts are...
Persistent link: https://www.econbiz.de/10013238155
In 1995, Benartzi and Thaler introduced the concept myopic loss aversion to explain the equity premium puzzle. They provided empirical evidence to support their arguments. Recently, Durand, et al. criticized this empirical analysis. They propose an approach which not only rejects the...
Persistent link: https://www.econbiz.de/10013134250
pricing models with smooth ambiguity. Statistical model comparison shows that models with ambiguity, learning and time … models featuring smooth ambiguity preferences. We rely on semi-nonparametric estimation of a flexible auxiliary model in our …
Persistent link: https://www.econbiz.de/10011780610
I study the effects of aversion to risk and ambiguity (uncertainty in the sense of Knight (1921)) on the value of the … ambiguity can explain high expected stock market returns and excess volatility and kurtosis of stock market returns. Moreover …
Persistent link: https://www.econbiz.de/10013134524
Superior to the variance, "swap variance (SwV)" summarizes the entire probability distribution of returns and is unbiased to distributional asymmetry. Retaining the same simplicity as mean-variance (MV) model, the efficiency of mean-swap variance (MSwV) is necessary and sufficient conditions for...
Persistent link: https://www.econbiz.de/10012934044
In this paper I study the relationship between rationality and asset prices when agents have heterogeneous and incorrect beliefs about future events. Using the fully rational pricing as a benchmark, I show that when agents behave according to the Subjective Generalized Kelly rule (Bottazzi et...
Persistent link: https://www.econbiz.de/10011805975
S&P 500 Index option-based volatility indexes have untenable risk-return profiles. These volatility indexes are not designed with consideration of important real-world risk characteristics of options and fail to represent volatility as a differentiated asset-class with relevance to the long-term...
Persistent link: https://www.econbiz.de/10012865881
In this short note, we show investors one way to calculate ideal investment sizing by using two rules of thumb based on a simple outline of individual risk aversion. We illustrate these two heuristics, which are not widely appreciated, with thought experiments involving coin flips and ketchup &...
Persistent link: https://www.econbiz.de/10012978604
The US Treasury effectively ”owns” about 24% of the stocks held by high income US taxable investors. Through the capital gains tax, Uncle Sam has an effective exposure of more than $1 trillion of equities. And this huge-but-silent investor might be about to get a lot bigger if capital gains...
Persistent link: https://www.econbiz.de/10013235049