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New evidence on the impacts of access to and attending universal childcare in Canada
Kottelenberg, Michael J.; Lehrer, Steven F. - 2013
Persistent link: https://www.econbiz.de/10009721950
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Estimating treatment effects from contaminated multi-period education experiments : the dynamic impacts of class size reductions
Ding, Weili; Lehrer, Steven F. - 2009
Persistent link: https://www.econbiz.de/10003868351
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Understanding the role of time-varying unobserved ability heterogeneity in education production
Ding, Weili; Lehrer, Steven F. - 2014
Persistent link: https://www.econbiz.de/10010258204