منابع مشابه
Decreasing aversion under ambiguity
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...
متن کاملThe Social Discount Rate under Intertemporal Risk Aversion and Ambiguity
Following the Stern review of climate change the numerical choice of the social discount rate has been identified as one of the most crucial determinants of optimal policy recommendations for greenhouse gas mitigation policies. In this paper I point out two closely related contributions to the social discount rate in an uncertain world that have been overlooked in the debate. First, the standar...
متن کاملDelegated portfolio management under ambiguity aversion
We examine the problem of setting optimal incentives to a portfolio manager (to be employed by an investor through a contract) making an ambiguity-robust portfolio choice with respect to estimation errors in expected returns. We consider a one-period model with a set of risky assets (with multivariate normal returns) whose expected returns are estimated with uncertainty and a linear sharing rul...
متن کاملAmbiguity and Ambiguity Aversion
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 ...
متن کاملGender Differences in Risk Aversion and Ambiguity Aversion
Gender Differences in Risk Aversion and Ambiguity Aversion This paper demonstrates gender differences in risk aversion and ambiguity aversion. It also contributes to a growing literature relating economic preference parameters to psychological measures by asking whether variations in preference parameters among persons, and in particular across genders, can be accounted for by differences in pe...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Financial Innovation
سال: 2018
ISSN: 2199-4730
DOI: 10.1186/s40854-018-0095-z