Efficiency Under Uncertainty and Non‐Convexity: Evaluating the Role of Probabilities
22 Pages Posted: 8 May 2020
Date Written: October 2019
Abstract
This paper investigates the economics of uncertainty using a state‐contingent approach with a focus on the role of non‐convexity. Under efficiency, the slopes of a separating hypersurface measures state‐contingent prices. As argued by Yaari, normalized state‐contingent prices provide a measure of subjective probabilities. But efficiency under non‐convexity can require non‐linear pricing. The analysis identifies non‐convexity conditions under which probability assessments are not appropriate. Implications for economic and welfare analysis under uncertainty are discussed.
Suggested Citation: Suggested Citation
Chavas, Jean‐Paul and Briec, Walter, Efficiency Under Uncertainty and Non‐Convexity: Evaluating the Role of Probabilities (October 2019). Economica, Vol. 86, Issue 344, pp. 832-853, 2019, Available at SSRN: https://ssrn.com/abstract=3595576 or http://dx.doi.org/10.1111/ecca.12293
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