Extending the regression-discontinuity approach to multiple assignment variables
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作者:
Papay, John P.
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Harvard Univ, Grad Sch Educ, Cambridge, MA 02138 USAHarvard Univ, Grad Sch Educ, Cambridge, MA 02138 USA
Papay, John P.
[1
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Willett, John B.
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Harvard Univ, Grad Sch Educ, Cambridge, MA 02138 USAHarvard Univ, Grad Sch Educ, Cambridge, MA 02138 USA
Willett, John B.
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Murnane, Richard J.
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Harvard Univ, Grad Sch Educ, Cambridge, MA 02138 USA
Natl Bur Econ Res, Cambridge, MA 02138 USAHarvard Univ, Grad Sch Educ, Cambridge, MA 02138 USA
Murnane, Richard J.
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机构:
[1] Harvard Univ, Grad Sch Educ, Cambridge, MA 02138 USA
The recent scholarly attention to the regression-discontinuity design has focused exclusively on the application of a single assignment variable. In many settings, however, exogenously imposed cutoffs on several assignment variables define a set of different treatments. In this paper, we show how to generalize the standard regression-discontinuity approach to include multiple assignment variables simultaneously. We demonstrate that fitting this general, flexible regression-discontinuity model enables us to estimate several treatment effects of interest. (C) 2011 Elsevier B.V. All rights reserved.