Francisco Nunes

The perfect system can’t exist: Arrow’s Impossibility Theorem and similar results
Is democracy a perfect system? Can a ranked voting system satisfy all reasonable fairness rules? Arrow mathematically proved that the answer to both…
12 hrs ago • Francisco Nunes
Monotone Comparative Statics: Topkis’ and Milgrom & Shannon’s Theorems
Topkis’ Theorem is one of the most useful tools to study complementarity with non-differentiable functions. Milgrom and Shannon found the minimal…
Jun 22 • Francisco Nunes
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