紀要論文 “An Introduction to the Theory of Mechanism Design”の命題2.5について
On Proposition 2.5 in “An Introduction to the Theory of Mechanism Design”
an introduction to the theory of mechanism design ノ メイダイ 2.5 ニツイテ

柏木, 芳美

63 ( 5 )  , pp.433 - 463 , 2015-03-31 , 山口大學經濟學會
ISSN:0513-1758
NII書誌ID(NCID):AN00243258
内容記述
An elegant proof using normed spaces was given to Proposition 2.5 in “An Introduction to the Theory of Mechanism Design”concering the existence of the direct mechanism which maximizes the seller's expected revenue among all incentive-compatible and individually rational direct mechanisms. Since this proposition is the first main result and normed spaces are not so easy mathematical tool compared with those used later, we felt the need for an easier proof. The outline of the proof of our result in this note is almost same as that of Proposition 3.4 in the book. We also give a condition under which we have the uniqueness of the real number that characterizes the objective direct mechanism.

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