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Regression Discontinuity Design Using Maimonides’ rule. Marina M B ánnikova. Thistlethwaite & Campbell (1960) Goldberger (1972) Berk and Rauma (1983) Hahn (1998) Joshua D. Angrist and Victor Lavy (1999) Van der Klaauw (2002) Lemieux & Milligan (2008) Lalive (2008)
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Regression Discontinuity Design Using Maimonides’ rule Marina M Bánnikova
Thistlethwaite & Campbell (1960) • Goldberger (1972) • Berk and Rauma (1983) • Hahn (1998) • Joshua D. Angrist and Victor Lavy (1999) • Van derKlaauw (2002) • Lemieux & Milligan (2008) • Lalive (2008) • Card, Dobkin & Maestas (2008)
The class size as a function of enrollment classsize enrollment
41 81 classsize 27 20.5 The function of Maimonides' rule enrollment
Class sizes: actual and predicted by Maimonides’ rule classsize enrollment
Average class size and predicted by Maimonides’ rule classsize enrollment
The histogram of the differences between actual class size and predicted by the rule.
OLS estimation. Regressor: absolute difference between actual class size and predicted by Maimonides' rule
Sharp RD design probability of beingtreated enrollment
Sharp design in 3 discontinuities classsize 1 2 3 enrollment
Fuzzy RD design probability of beingtreated enrollment
Conclusions • OLS showedusthatsmallclassesarenotalwaysbetterinscores • Followingtherulehaspositiveinfluence onthescores • Sharp RD designshowed thatthelessisthecutoff thebetterarescores • Fuzzy RD design indicateasignificant associationbetweenbeinginsmallerclassesandachievinghigherscores • Thequestion of findingtherightthresholdremainsopened