NBER

Jetson Leder-Luis

Department of Economics
Massachusetts Institute of Technology
77 Massachusetts Avenue
Cambridge, MA 02139

E-Mail: EmailAddress: hidden: you can email any NBER-related person as first underscore last at nber dot org
Institutional Affiliation: Boston University

NBER Working Papers and Publications

June 2017Maimonides Rule Redux
with Joshua D. Angrist, Victor Lavy, Adi Shany: w23486
We use the discontinuous function of enrollment known as Maimonides Rule as an instrument for class size in large Israeli samples from 2002-2011. As in the 1991 data analyzed by Angrist and Lavy (1999), Maimonides Rule still has a strong first stage. In contrast with the earlier Israeli estimates, however, Maimonides-based instrumental variables estimates using more recent data show no effect of class size on achievement. The new data also reveal substantial enrollment sorting near Maimonides cutoffs, with too many schools having enrollment values that just barely produce an extra class. A modified rule that uses data on studentsā€™ birthdays to compute statutory enrollment in the absence of enrollment manipulation also generates a precisely estimated zero. In older data, the original Maimon...

Published: Joshua D. Angrist & Victor Lavy & Jetson Leder-Luis & Adi Shany, 2019. "MaimonidesĀ Rule Redux," American Economic Review: Insights, vol 1(3), pages 309-324. citation courtesy of

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