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Risk Matters : Breaking Certainty Equivalence

Parra-Alvarez, Juan Carlos - 2020

In this paper we use the property that certainty equivalence, as implied by a first-order approximation to the solution of stochastic discrete-time models, breaks in its equivalent continuous-time version. We study the extent to which a first-order approximated solution built by perturbation...

Persistent link: https://www.econbiz.de/10012834991

Approximate Expected Utility Rationalization

Echenique, Federico - 2019

deviation (in beliefs, utility, or perceived prices) is within e of expected utility theory. The number e can then be used as a … distance to the theory. We apply our methodology to three recent large-scale experiments. Many subjects in those experiments …

Persistent link: https://www.econbiz.de/10012892237

Agreed and Disagreed Uncertainty

Gambetti, Luca; Tsoukalas, John D.; Korobilis, Dimitris; … - 2023

When agents’ information is imperfect and dispersed, existing measures of macroeconomic uncertainty based on the forecast error variance have two distinct drivers: the variance of the economic shock and the variance of the information dispersion. The former driver increases uncertainty and...

Persistent link: https://www.econbiz.de/10014348100

Loss Aversion, Risk Aversion, and the Shape of the Probability Weighting Function

Rablen, Matthew D. - 2023

extend to distinct PWFs in the gain and loss domains, as under prospect theory …

Persistent link: https://www.econbiz.de/10014350127

The Distribution of Ambiguity Attitudes

Gaudecker, Hans-Martin von; Wogrolly, Axel; Zimpelmann, … - 2022

This paper analyzes the stability and distribution of ambiguity attitudes using a broad population sample. Using high-powered incentives, we collected six waves of data on ambiguity attitudes about financial markets—our main application—and climate change. Estimating a structural stochastic...

Persistent link: https://www.econbiz.de/10014241994

The Quasilinear Quadratic Utility Model : An Overview

Choné, Philippe - 2019

The quasi-linear quadratic utility model is widely used in economics. The knowledge of its exact origin is less widespread. A first contribution of the paper is to explain the genesis of this model. Next, we review the main properties of the general model, mainly following the previous...

Persistent link: https://www.econbiz.de/10012866406

How changing prudence and risk aversion affect optimal saving

Bauer, Christian; Buchholz, Wolfgang - 2008

We show how optimal saving in a two-period model is affected when prudence and risk aversion of the underlying utility function change. Increasing prudence alone will induce higher savings only if, for certain combinations of the interest rate and the pure time discount rate, there is...

Persistent link: https://www.econbiz.de/10010264467

Putting risk in its proper place

Eeckhoudt, Louis; Schlesinger, Harris - 2005

This paper examines preferences towards particular classes of lottery pairs. We show how concepts such as prudence and temperance can be fully characterized by a preference relation over these lotteries. If preferences are defined in an expected-utility framework with differentiable utility, the...

Persistent link: https://www.econbiz.de/10010271070

Rank dependent utility, tax evasion and labor supply

Eide, Erling; von Simson, Kristine; Strøm, Steinar - 2010

payers act according to some non-expected utility theory, and (2) Individual ethical norms and social stigma induce people … subjective probabilities of being penalised according to the rank dependent utility theory, and (2) Tax payers' beliefs about … utility theory. The model explains data 53% better than pure random choices and predicts hours worked in the regular economy …

Persistent link: https://www.econbiz.de/10010274740

When is ambiguity-attitude constant?

Eichberger, Jürgen; Grant, Simon; Kelsey, David - 2012

This paper studies how updating affects ambiguity-attitude. In particular we focus on the generalized Bayesian update of the Jaffray-Phillipe sub-class of Choquet Expected Utility preferences. We find conditions for ambiguity-attitude to be the same before and after updating. A necessary and...

Persistent link: https://www.econbiz.de/10010281800

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