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Kyungchul Song

Working Papers

The Role of Quality in Service Markets Organized as Multi-Attribute Auctions

Bootstrapping Semiparametric Models with Single-Index Nuisance Parameters, Second Version

Robust Estimation of Some Nonregular Parameters

Efficient Estimation of Average Treatment Effects under Treatment-Based Sampling, Second Version

Point Decisions for Interval-Identified Parameters

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Department of Economics
The Ronald O. Perelman Center for Political Science and Economics
133 South 36th Street
Suite 150
Philadelphia, PA 19104

Telephone: 215-898-7701
Fax: 215-573-2057

econ-ugrad@sas.upenn.edu
economics-grad@econ.upenn.edu

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