Search Results - subject:"arrow€™s Impossibility theorem"

A one-shot proof of Arrow’s impossibility theorem

Yu, Ning - In: Economic Theory 50 (2012) 2, pp. 523-525

Persistent link: https://www.econbiz.de/10010557787

Approval voting and arrow's impossibility theorem

Mongin, Philippe; Maniquet, François - HEC Paris (École des Hautes Études Commerciales) - 2011

corresponds to a novel and perhaps surprising version of Arrow’s impossibility theorem. … investigated it in the Arrovian frame-work of social welfare functions (SWF) and never connected it with Arrow’s impossibility … theorem. This note explores these two direc- tions. Assuming that voters have dichotomous preferences, it first characterizes …

Persistent link: https://www.econbiz.de/10010832970

Generic impossibility of Arrow’s impossibility theorem

Noguchi, Mitsunori - In: Journal of Mathematical Economics 47 (2011) 4-5, pp. 391-400

Our major objective is to show that if there are infinitely many alternatives and society can be decomposed into the sum of two non-negligible coalitions, the set of all Arrovian collective choice rules that satisfy the ultrafilter property (its set of decisive coalitions form an ultrafilter),...

Persistent link: https://www.econbiz.de/10010608644

Preference densities and social choices

Richter, Marcel; Wong, Kam-Chau - In: Economic Theory 36 (2008) 2, pp. 225-238

Persistent link: https://www.econbiz.de/10005753191

Relative utilitarianism an improved axiomatisation

DHILLON, Amrita; MERTENS, Jean-François - Center for Operations Research and Econometrics (CORE), … - 1996

In a framework of preferences over lotteries, we show that an axiom system consisting of weakened versions of Arrow's axioms has a unique solution. "Relative Utilitarianism" consists of first normalising individual von Neumann-Morgenstern utilities between 0 and 1 and then summing them. This...

Persistent link: https://www.econbiz.de/10005043190

ARROW´S IMPOSSIBILITY THEOREM IS NOT SO IMPOSSIBLE AND CONDORCET´S PARADOX IS NOT SO PARADOXICAL: THE ADEQUATE DEFINITION OF A SOCIAL CHOICE PROBLEM

Castellanos, Daniel - UNIVERSIDAD DE LOS ANDES-CEDE - 2005

, but not necessary, for the construction of a social welfare function. This means that Arrow´s impossibility theorem is …

Persistent link: https://www.econbiz.de/10005042172