Acute stress affects risk taking but not ambiguity aversion
نویسندگان
چکیده
منابع مشابه
Acute stress affects risk taking but not ambiguity aversion
Economic decisions are often made in stressful situations (e.g., at the trading floor), but the effects of stress on economic decision making have not been systematically investigated so far. The present study examines how acute stress influences economic decision making under uncertainty (risk and ambiguity) using financially incentivized lotteries. We varied the domain of decision making as w...
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Consider the following choice problem, known as “Ellsberg’s three-color urn example”, or simply the “Ellsberg Paradox” (Ellsberg [7]). An urn contains 30 red balls, and 60 green and blue balls, in unspecified proportions; subjects are asked to compare (i) a bet on a red draw vs. a bet on a green draw, and (ii) a bet on a red or blue draw vs. a bet on a green or blue draw. If the subject wins a ...
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BACKGROUND Anxiety disorders are associated with disruptions in both emotional processing and decision making. As a result, anxious individuals often make decisions that favor harm avoidance. However, this bias could be driven by enhanced aversion to uncertainty about the decision outcome (e.g., risk) or aversion to negative outcomes (e.g., loss). Distinguishing between these possibilities may ...
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Under which condition does the set of desirable uncertain prospects expand when wealth increases? We show that the decreasing concavity (DC) of the utility function is necessary and sufficient in the −maxmin expected utility model. In the smooth ambiguity aversion model with the ambiguity valuation function , the DC of and of ◦ is necessary and sufficient. An alternative definition of d...
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ژورنال
عنوان ژورنال: Frontiers in Neuroscience
سال: 2014
ISSN: 1662-453X
DOI: 10.3389/fnins.2014.00082