Assessing the Performance of Matching Algorithms When Selection into Treatment Is Strong

Boris Augurzky () and Jochen Kluve
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Jochen Kluve: RWI Essen and IZA Bonn

No 1301, IZA Discussion Papers from Institute for the Study of Labor (IZA)

Abstract: This paper investigates the method of matching regarding two crucial implementation choices, the distance measure and the type of algorithm. We implement optimal full matching – a fully efficient algorithm – and present a framework for statistical inference. The implementation uses data from the NLSY79 to study the effect of college education on earnings. We find that decisions regarding the matching algorithm depend on the structure of the data: In the case of strong selection into treatment and treatment effect heterogeneity a full matching seems preferable. If heterogeneity is weak, pair matching suffices.

Keywords: matching algorithms; optimal full matching; selection into treatment (search for similar items in EconPapers)
JEL-codes: C14 C61 (search for similar items in EconPapers)
New Economics Papers: this item is included in nep-cmp and nep-ecm
Date: 2004-09
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Related works:
Working Paper: Assessing the performance of matching algorithms when selection into treatment is strong (2005)
Journal Article: Assessing the performance of matching algorithms when selection into treatment is strong (2007)
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