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Teacher credentials and student achievement in high school : a cross-subjet analysis with student fixed effects
Clotfelter, Charles T.; Ladd, Helen F.; Vigdor, Jacob L. - In: Journal of human resources : JHR 45 (2010) 3, pp. 655-681
Persistent link: https://www.econbiz.de/10008729486
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Tracking the returns to education in the 1990s : bridging the gap between the new and old current population survey education items
Frazis, Harley J.; Stewart, Jay Charles - In: Journal of human resources : JHR 34 (1999) 3, pp. 629-641
Persistent link: https://www.econbiz.de/10001404583
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The aftermath of accelerating algebra : evidence from district policy initiatives
Clotfelter, Charles T.; Ladd, Helen F.; Vigdor, Jacob L. - In: Journal of human resources : JHR 50 (2015) 1, pp. 159-188
Persistent link: https://www.econbiz.de/10010514454
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Reexamining the returns to training : functional form, magnitude, and interpretation
Frazis, Harley J.; Loewenstein, Mark A. - In: Journal of human resources : JHR 40 (2005) 2, pp. 453-476
Persistent link: https://www.econbiz.de/10002825277