Ken Arrow
Arrow's impossibility theorem can be seen as a cohomological obstruction to constructing representative consumers without magical thinking.
There's plenty of beauty in Economics Paul, but that works okay: Coase's Thm, Arrow's Impossibility Thm, Fixed Pt Thms, etc...
VaR -> Kayfabe | Coase -> Economics | Stable Tastes -> Kayfabe | Arrow's Theorem -> Economics | Rep. Consumer -> Kayfabe | B. Scholes-> Econ
Imagine you say to Ken Arrow: "Well you still need a voting system that gets a group to act like an individual." He says: Fuggedaboudit.
Topological Arrow Impossibility theorem for a circle: There is no continuous map from S1xS1 onto its diagonal restricting to the identity.
This article is a stub. You can help us by editing this page and expanding it.