The Better Half of Selling Separately

Sergiu Hart and Philip J. Reny

• Page 18:14, the statement of Proposition 10 should be strengthened to:

  Proposition 10. Let X = (X₁, X₂) be a two-good random valuation with independent goods (not necessarily weakly regular). Then ...

  (Indeed, the proof of Proposition 10 does not use the weak regularity assumption for X; moreover, while for weakly regular goods the result is a trivial consequence of Theorem 9 [because MonRev is less or equal to Rev], for general goods it does not follow from Theorem 7.)

• First version: November 2016
• Center for Rationality DP-712 (December 2017)
• https://arxiv.org/abs/1712.08973
• Revised: October 2018
• Revised: May 2019
• ACM Transactions on Economics and Computation 7, 4 (December 2019), Article 18, 1-18
  doi.org/10.1145/3369927