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estimates are consistent with blas´ behavior and counter-cyclical risk aversion. …
Persistent link: https://www.econbiz.de/10005858307
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...
Persistent link: https://www.econbiz.de/10005857971
-Variance analysis and the Capital Asset Pricing Model (CAPM). In the year 2002, Kahneman won the Nobel Prize in Economics for the … development of Prospect Theory. Can these two apparently contradictory paradigms coexist? In deriving the CAPM, Sharpe, Lintner … and risk aversion. Kahneman & Tversky suggest Prospect Theory (PT) and Cumulative Prospect Theory (CPT) as an alternative …
Persistent link: https://www.econbiz.de/10005858578
Under the assumption of normally distributed returns, we analyzewhether the Cumulative Prospect Theory of Tversky and Kahneman (1992)is consistent with the Capital Asset Pricing Model. We find that in everyfinancial market equilibrium the Security Market Line Theorem holds.However, under the...
Persistent link: https://www.econbiz.de/10005858756
state of the economy. We find that Knightian pessimism generates substan-tial First Order Risk Aversion (FORA) sects that … findings show that realistic amounts of both pessimism and standard risk aversion yield substantial equity premia and low …
Persistent link: https://www.econbiz.de/10005858860
lead banks to increase their risk exposure precisely in high volatility" states, because of an anticipatory effect of VaR … implications of Value-at-Risk (VaR) regulation in continuous time economies with intermediate consumption, stochastic opportunity … set, and heterogenous attitudes to risk. Our findings show that the partial equilibrium incentives of VaR regulation can …
Persistent link: https://www.econbiz.de/10005858903
We present a geometric approach to discrete time multiperiod mean variance portfolio opti-mization that largely simplifies the mathematical analysis and the economic interpretation of such model settings. We show that multiperiod mean variance optimal policies can be decom-posed in an orthogonal...
Persistent link: https://www.econbiz.de/10005858942
internationally because of the larger potential for risk reduction. The question that we raise in this paper is how to select the …
Persistent link: https://www.econbiz.de/10005859126
This paper investigates model risk issues in the context of mean-variance portfolio selection. We analytically and …, we perform simulations leading to the conclusion that, under classical estimation, model risk bias dominates estimation … risk bias. Finally, we suggest a diagnostic tool to warnthe analyst of the presence of extreme returns that have an …
Persistent link: https://www.econbiz.de/10005858020
investment strategy that does not take liquidity shocks into account, exposes insurance companies to the risk of bankruptcy. This …
Persistent link: https://www.econbiz.de/10005858142