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The twelfth century rabbinic scholar Maimonides proposed a maximum class size of 40. This same maximum induces a nonlinear and nonmonotonic relationship between grade enrollment and class size in Israeli public schools today. Maimonides' rule of 40 is used here to construct instrumental variables estimates of effects of class size on test scores. The(More)
  • Christopher R Bollinger, Barry T Hirsch, John Abowd, Dan Black, David Blanchflower, J S Butler +6 others
  • 2005
Any opinions expressed here are those of the author(s) and not those of the institute. Research disseminated by IZA may include views on policy, but the institute itself takes no institutional policy positions. The Institute for the Study of Labor (IZA) in Bonn is a local and virtual international research center and a place of communication between(More)
  • Colleen M Heflin, James P Ziliak, Chris Bollinger, J S Butler, Steven Haider, Steve Raphael +1 other
  • 2008
Objectives. This study examines whether the mental health consequences associated with food insufficiency vary by food stamp participation status and/or the value of the food stamp benefit received. Methods. We use longitudinal data from the Panel Study of Income Dynamics along with fixed-effect methods that control for unobserved heterogeneity to test our(More)
  • Erik Hurst, James P Ziliak, Orazio Attanasio, Steve Davis, Gary Engelhardt, Austan Goolsbee +15 others
  • 2006
We use data from the Panel Study of Income Dynamics to estimate the effect of new saving incentives implemented as part of the 1996 welfare reform on household saving. Economic theory predicts that loosening asset limits will increase total savings for households with a large ex-ante probability of welfare receipt such as female-headed households with(More)
Evaluating Accountable Care Organizations is difficult because there is a great deal of heterogeneity in terms of their reimbursement incentives and other programmatic features. We examine how variation in reimbursement incentives and administration among two Medicaid managed care plans impacts utilization and spending. We use a quasi-experimental approach(More)
  • Michael Boozer, Charles Clotfelter, Janet Currie, David Cutler, Ronald Ehrenberg, William Evans +7 others
  • 1999
1 The Overlap colleges are listed in Table 1, as are a number of colleges of comparable selectivity that did not participate in the Overlap meeting. The Department of Justice's (DOJ's) investigation of private colleges for price-fixing caused the "Overlap" group of colleges to discontinue their meetings. DOJ alleged that the meetings enabled the colleges to(More)