Chapter 9: Aggregating Preferences: Social Choice

  • Page number:267
    • Section number:9.5
    • Date:2013/05/22
    • Name: HReijuMihara
    • Email:
    • Content:The paragraph preceding Proposition 9.5.1. "Arrow's impossibility system" should read "Arrow's impossibility theorem".
  • Page number:268
    • Section number:9.5
    • Date:2013/05/22
    • Name: HReijuMihara
    • Email:
    • Content:Definition 9.5.2. (i) Should be "to pair up all the voters for o1 with voters for o2". (ii) Need a rewrite because the following conclusion is missing before "Further": "Then the rule weakly prefers o_2 to o_1."
  • Page number:269
    • Section number:9.5
    • Date:2013/05/22
    • Name: HReijuMihara
    • Email:
    • Content:Just before Definition 9.5.3. Maybe "voters vote for".
  • Page number:269
    • Section number:9.5
    • Date:2013/05/22
    • Name: HReijuMihara
    • Email:
    • Content:Definition 9.5.3. Need a rewrite because the following conclusion is missing before "Further": "Then the rule weakly prefers o_2 to o_1."
  • Page number:270
    • Section number:9.5
    • Date:2013/05/22
    • Name: HReijuMihara
    • Email:
    • Content:Definition 9.5.7. Should be "to pair up all the voters for o1 with voters for o2".

The following errors are fixed in the second printing of the book and online PDF v1.1

  • Page number: 256
    • Section number: 9.2
    • Date: 2009/02/06
    • Name: SteveWolfman
    • Email:
    • Content: Definition 9.2.4, o is unbound, should be \forall o \in S,
  • Page number: 265
    • Section number: 9.4
    • Date: 2009/02/06
    • Name: SteveWolfman
    • Email:
    • Content: Typo, in the proof of Step 1, o \in \overbar{O} should be o \in \overbar{O'}.
  • Page number: 254
    • Section number:9.1.1
    • Date: 2009/02/06
    • Name: SteveWolfman
    • Email:
    • Content: Typo: "..that if there exists a candidate x such that if for all other candidates y at.." should be "..that if there exists a candidate x such that for all other candidates y at..". (It also seems strange that the rest of the paragraph talks about Condorcet "ruling out" candidates rather than establishing b as the only viable candidate, since Condorcet may "rule out" all candidates in this sense but will only ever select one candidate.)
-- KevinLeytonBrown - 13 Nov 2008
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Topic revision: r5 - 2013-05-22 - HReijuMihara
 
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