Ken Arrow: Difference between revisions
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|content=Arrow's impossibility theorem can be seen as a cohomological obstruction to constructing representative consumers without magical thinking. | |||
|timestamp=2:42 AM · Aug 29, 2009 | |||
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|content=There's plenty of beauty in Economics Paul, but that works okay: Coase's Thm, Arrow's Impossibility Thm, Fixed Pt Thms, etc... | |||
|timestamp=9:13 PM · Sep 6, 2009 | |||
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|content=<nowiki>VaR -> Kayfabe | Coase -> Economics | Stable Tastes -> Kayfabe | Arrow's Theorem -> Economics | Rep. Consumer -> Kayfabe | B. Scholes-> Econ</nowiki> | |||
|timestamp=12:26 PM · Sep 10, 2009 | |||
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|content=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. | |||
|timestamp=9:19 PM · Sep 10, 2009 | |||
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|content=Topological Arrow Impossibility theorem for a circle: There is no continuous map from S1xS1 onto its diagonal restricting to the identity. | |||
|timestamp=11:39 PM · Feb 9, 2010 | |||
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Revision as of 06:03, 1 October 2025
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.
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