2 papers
cs.GT2026
The Root of Revenue Continuity
Sergiu Hart, Noam Nisan
In the setup of selling one or more goods, various papers have shown, in various forms and for various purposes, that a small change in the distribution of a buyer's valuations may…
cs.GT2026
Existence of Optimal Mechanisms for Selling Multiple Goods: An Elementary Proof
Sergiu Hart, Noam Nisan
We provide an elementary proof that revenue-maximizing mechanisms exist in multi-parameter settings whenever the distribution of valuations has finite expectation.