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SUMMARY:Introduction to Social Choice Theory - Guy Edward Toh Emerson (Uni
 versity of Cambridge)
DTSTART:20151110T130000Z
DTEND:20151110T140000Z
UID:TALK60535@talks.cam.ac.uk
CONTACT:Heidi Howard
DESCRIPTION:In a recent referendum\, the British public was asked to choos
 e between Alternative Vote and Plurality Voting (also inaccurately named "
 First Past The Post").  However\, these are not the only voting systems.  
 What other options are there\, and how can we choose between them?  In thi
 s lecture\, I will introduce certain mathematical properties which we migh
 t want a voting system to satisfy (such as the Condorcet Criterion and the
  Participation Criterion)\, as well as some impossibility theorems which s
 how that not all such criteria can be satisfied at the same time.  I will 
 also describe two voting systems which display many desirable properties: 
 Ranked Pairs and Approval Voting.
LOCATION:Computer Laboratory\, William Gates Building\, Room SW01
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