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Eichberger, Jürgen; Grant, Simon; Lefort, Jean-Philippe - 2009

equivalent consistency under updating characterise a family of capacities, called Genralised Neo-Additive Capacities (GNAC). This …

Persistent link: https://www.econbiz.de/10011422288

Neo-additive capacities and updating

Eichberger, Jürgen; Grant, Simon; Lefort, Jean-Philippe - 2009 - This version: October 19, 2009

equivalent consistency under updating characterise a family of capacities, called Genralised Neo-Additive Capacities (GNAC). This …

Persistent link: https://www.econbiz.de/10003893438

Generalized neo-additive capacities and updating

Eichberger, Jürgen; Grant, Simon; Lefort, Jean-Philippe - Université Paris-Dauphine (Paris IX) - 2012

equivalent consistency under updating characterise a family of capacities, called Genralised Neo-Additive Capacities (GNAC). This …

Persistent link: https://www.econbiz.de/10011071982

Neo-additive capacities and updating

Eichberger, Jürgen; Grant, Simon; Lefort, Jean-Philippe - Alfred-Weber-Institut für Wirtschaftswissenschaften, … - 2009

equivalent consistency under updating characterise a family of capacities, called Genralised Neo-Additive Capacities (GNAC). This …

Persistent link: https://www.econbiz.de/10008567830

Learning Under Unawareness

Grant, Simon - 2018

We propose a model of learning when experimentation is possible, but unawareness and ambiguity matter. In this model … are initially seen as ambiguous, but as evidence accumulates there is a gradual reduction of ambiguity …

Persistent link: https://www.econbiz.de/10012928769

Differentiating Ambiguity: A Comment.

Eichberger, Jurgen; Grant, Simon; Kelsey, David - Business School, University of Exeter - 2006

In Ghirardato, Macheroni and MArcinaccri (GMM) propose a method for distinguishing between percieved ambiguity and the … subclass of a-MEU preferences. We show that for Hurwicz preferences the proposed measure of ambiguity depends on parameters … which intuitively reflect ambiguity-attitude. Furthermore, any a-MEU preferences which satisfy the CEU axioms, satisfy GMM …

Persistent link: https://www.econbiz.de/10008852487

The a-MEU Model: A Comment

Eichberger, Jurgen; Grant, Simon; Kelsey, David; … - Business School, University of Exeter - 2009

In [7] Ghirardato, Macheroni and Marinacci (GMM) propose a method for distinguishing between perceived ambiguity and …

Persistent link: https://www.econbiz.de/10008852488

Randomization and Dynamic Consistency

Eichberger, Jürgen; Grant, Simon; Kelsey, David - Business School, University of Exeter - 2014

Raiffa (1961) has suggested that ambiguity aversion will cause a strict preference for randomization. We show that … for a dynamically-consistent ambiguity averse preference relation to exhibit a strict preference for some ex post … randomizations. We argue that our analysis throws some light on the recent debate about paradoxes for the smooth model of ambiguity …

Persistent link: https://www.econbiz.de/10010883466

Increasing Uncertainty: A Definition

Grant, Simon; Quiggin, John - Risk and Sustainable Management Group (RSMG), School of … - 2004

We present a definition of increasing uncertainty, in which an elementary increase in the uncertainty of any act corresponds to the addition of an `elementary bet' that increases consumption by a fixed amount in (relatively) `good' states and decreases consumption by a fixed (and possibly...

Persistent link: https://www.econbiz.de/10008599185

Savage games

Grant, Simon; Meneghel, Idione; Tourky, Rabee - In: Theoretical Economics 11 (2016) 2, pp. 641-682

We define and discuss Savage games, which are ordinal games of incomplete information set in L. J. Savage's framework of purely subjective uncertainty. Every Bayesian game is ordinally equivalent to a Savage game. However, Savage games are free of priors, probabilities and payoffs. Players'...

Persistent link: https://www.econbiz.de/10011599580