Frank M. V. Feys (Delft University of Technology) |
Helle Hvid Hansen (Delft University of Technology) |
We present a proof of Arrow's theorem from social choice theory that uses a fixpoint argument. Specifically, we use Banach's result on the existence of a fixpoint of a contractive map defined on a complete metric space. Conceptually, our approach shows that dictatorships can be seen as fixpoints of a certain process. |
ArXived at: https://dx.doi.org/10.4204/EPTCS.297.12 | bibtex | |
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