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We study in an experiment whether humans prefer to depend on decisions of other humans (social uncertainty) or states of nature (environmental uncertainty). In the social uncertainty treatments subjects depend only on past decisions of other humans. This is the first experiment that studies...
Persistent link: https://www.econbiz.de/10011392605
Epstein and Schneider (2007) develop a framework of learning under ambiguity, generalizing maxmin preferences of Gilboa and Schmeidler (1989) to intertemporal settings. The specific belief dynamics in Epstein and Schneider (2007) rely on the rejection of initial priors that have become...
Persistent link: https://www.econbiz.de/10010424809
coefficient of relative risk aversion (CRRA) that is commensurate with a 100% investment in the risky asset is simulated. The …
Persistent link: https://www.econbiz.de/10010490408
Although risk aversion has been used in economic models for over 275 years, the past few decades have shown how higher … order risk attitudes are also quite important. A behavioral approach to defining such risk attitudes was developed by … lattices can be extended in order to develop a better understanding of higher order risk attitudes. …
Persistent link: https://www.econbiz.de/10010431278
support for the hypothesis that attitude to risk and attitude to ambiguity are two independent phenomena. In fact in this … experiment, decision-makers are both risk-seekers (i.e., the mean WTP for insurance is on average smaller than the expected value … of the loss) and ambiguity averse (i.e., the mean WTP for insurance is on average higher for an ambiguous risk than for a …
Persistent link: https://www.econbiz.de/10013127788
Expected utility functions are limited to second-order (conditional) risk aversion, while non-expected utility … functions can exhibit either first-order or second-order (conditional) risk aversion. We extend the concept of orders of … conditional risk aversion to orders of conditional dependent risk aversion. We show that first-order conditional dependent risk …
Persistent link: https://www.econbiz.de/10013127810
We examine the optimal saving decision of individuals who face a multiplicative risk. An individual is defined to be … multiplicative risk prudent if multiplying a pure risk to her future wealth raises her optimal savings. We show that convex marginal … utility is not sufficient to induce multiplicative risk prudent. Instead, an individual is multiplicative risk prudent if and …
Persistent link: https://www.econbiz.de/10013139906
In a recent article entitled 'Putting Risk in its Proper Place,' Eeckhoudt and Schlesinger (2006) established a theorem … disaggregation of risks across states of nature to the complete structure of moments preferred by mixed risk averse agents. It can be …
Persistent link: https://www.econbiz.de/10013118463
Estimating risk preferences is tricky because controlling for confounding factors is difficult. Omitting or imperfectly … controlling for these factors can attribute too much observable behavior to risk aversion and bias estimated preferences. Agents … often modify risky decisions in response to dynamic wealth or asset thresholds, where they exist. Ignoring this dynamic risk …
Persistent link: https://www.econbiz.de/10013125024
Should you buy a stock or a corporate bond? A common belief is that the Pratt-Arrow risk aversion measure gives the … answer: a more risk averse investor will prefer more a corporate bond to a stock. However, this is not always true. In a … simple portfolio problem with a riskless bond, a stock and a corporate bond from a firm, we show that, it is not the risk …
Persistent link: https://www.econbiz.de/10013096409