Results 31 to 40 of about 3,892 (288)
Journal of Medical Internet Research, 2021 BackgroundCommunicating scientific uncertainty about public health threats such as COVID-19 is an ethically desirable task endorsed by expert guidelines on crisis communication. However, the communication of scientific uncertainty is challenging because
Han, Paul K J +7 more
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Neural correlates of decision-making under ambiguity and conflict
Frontiers in Behavioral Neuroscience, 2015 Studies of decision making under uncertainty generally focus on imprecise information about outcome probabilities (ambiguity). It is not clear, however, whether conflicting information about outcome probabilities affects decision making in the same ...
Helen ePushkarskaya +4 more
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Better the devil you know than the devil you don't: Neural processing of risk and ambiguity
NeuroImage, 2021 Risk and ambiguity are inherent in virtually all human decision-making. Risk refers to a situation in which we know the precise probability of potential outcomes of each option, whereas ambiguity refers to a situation in which outcome probabilities are ...
Shuyi Wu +4 more
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Ambiguity Aversion, Risk Aversion, and Asset Pricing
SSRN Electronic Journal, 2009 I study the effects of aversion to risk and ambiguity (uncertainty in the sense of Knight (1921)) on the value of the market portfolio when investors receive information that they find difficult to link to fundamentals and hence treat as ambiguous.
Philipp K. Illeditsch
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Good luck, bad luck, and ambiguity aversion [PDF]
Judgment and Decision Making, 2014 We report a series of experiments investigating the influence of feeling lucky or unlucky on people's choice of known-risk or ambiguous options using the traditional Ellsberg Urns decision-making task.
Briony D. Pulford, Poonam Gill
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The Fundamental Equity Premium and Ambiguity Aversion in an International Context
Risks, 2018 Stocks are riskier than bonds. This causes a risk premium for stocks. That the size of this premium, however, seems to be larger than risk aversion alone can explain the so-called “equity premium puzzle”.
Minh Hai Ngo +2 more
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Delegated Portfolio Management Under Ambiguity Aversion [PDF]
SSRN Electronic Journal, 2014 zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Annalisa Fabretti +2 more
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Ambiguity Aversion is the Exception [PDF]
SSRN Electronic Journal, 2015 An extensive literature has studied ambiguity aversion in economic decision making, and how ambiguity aversion can account for empirically observed violations of expected utility-based theories. Almost all relevant applied models presume a general dislike of ambiguity.
Martin G. Kocher +2 more
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Value-at-risk under ambiguity aversion
Financial Innovation, 2018 This study explored the effects of ambiguity on the calculation of Value-at-Risk (VaR) using a mathematical model based on the theory of Choquet-Brownian processes. It was found that while a moderate degree of ambiguity aversion yields a higher value for
Rossella Agliardi
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Ambiguity Aversion and Variance Premium [PDF]
SSRN Electronic Journal, 2012 This paper oers an ambiguity-based interpretation of variance premium— the dier- ence between risk-neutral and objective expectations of market return variance— as a com- pounding eect of both belief distortion and variance dierential regarding the uncertain economic regimes.
Jianjun Miao, Bin Wei, Hao Zhou
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