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We address the problem of choosing a portfolio of policies under "deep uncertainty." We introduce the idea of belief dominance as a way to derive a set of non-dominated portfolios and robust individual alternatives. Our approach departs from the tradition of providing a single recommended...
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We investigate what it means for one act to be more ambiguous than another. The question is evidently analogous to asking what makes one prospect riskier than another, but beliefs are neither objective nor representable by a unique probability. Our starting point is an abstract class of...
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We propose a novel framework for the economic assessment of climate-change policy. Our main point of departure from existing work is the adoption of a "satisficing", as opposed to optimizing, modeling approach. Along these lines, we place primary emphasis on the extent to which different...
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composition of the optimal mix as both persuade the risk-averse social planner to invest more in mitigation. Overall, we identify …
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uncertainty into Integrated Assessment Models (IAMs). Uncertainty is transformed into a risk-premium, damage-correction, region …. This risk premium quantifies what society would be willing to pay to insure against the uncertainty of the damages, and it … highly sensitive to the coefficient of relative risk aversion. Once the climate change damage function incorporates the risk …
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