Five Beautiful Results in Micro Theory, With Proofs


Dan Quint, Spring 2014


Lecture 1 – the first welfare theorem
Lecture 2 – Arrow’s impossibility theorem
Lecture 3 – common knowledge and agreeing to disagree
Lecture 4 – Bayesian Nash equilibrium and no-trade
Lecture 5 – preliminaries for optimal auctions – envelopes, mechanisms, and revelations 
Lecture 6 – optimal auctions solved (and why finding another bidder is better anyway) 
Lecture 7 – impossibility of efficiency trade with bilateral private information 
All lectures as one file