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156:, Rockoff has also studied how to recruit effective teachers. In particular, they find that—unlike teachers' performance in classrooms during the first two years—teacher certification poorly predicts teachers' future effectiveness, and that composite measures of teachers' cognitive and non-cognitive skills predict well teachers' effectiveness, though individual measures do not (with
191:. They find that value-added provides unbiased estimates of teachers' impacts on student achievement and that teachers with high value-added improve students' adulthood outcomes, with a one standard deviation increase in a teacher's value-added in a single grade corresponding to a 1% increase in earnings of her students' earnings by age 28.
148:, Rockoff finds that the NYC Teaching Fellows and Teach for America initiatives were able to substantially reduce the gap between the average qualifications of teachers at New York City's low- and high-poverty schools by substituting uncertified teachers in high-poverty schools by academically qualified teachers. Together with
176:
related to teacher turnover is the loss in student achievement as students are taught by less experienced teachers rather than the direct cost of hiring and firing teachers; and (5) identifying effective teachers at the time of recruitment—as opposed to based on their actual job performance—is very difficult.
199:
Next to his research on teachers, Rockoff has also studied public schools, the impact of sex offender registration, and the relationship between crime risk and property values. Together with Damon Clark and Paco
Martorell, Rockoff finds scant evidence for a relationship between school performance and
175:
article with
Staiger, wherein they highlight five empirical findings: (1) teachers' impact on student achievement vary strongly; (2) measures of teacher effectiveness based on student test scores are unreliable; (3) teachers' effectiveness increases degressively over their careers; (4) the main issue
168:
teachers has only a weak effect on teachers' turnover, absenteeism and their students' achievements, though there is some evidence that mentoring successfully improves school-specific knowledge and teaching skills. Overall, Rockoff's views on the recruitment, evaluation and retention of teachers in
131:
Revolving themes in
Rockoff's research on teachers are teachers' effectiveness and the recruitment and retention of effective teachers. For example, he estimates that increasing teacher quality by one standard deviation raises reading and math test scores by approximately 0.20 and 0.24 standard
200:
principals' education and work experience, though there is a benefit to having worked as assistant principal beforehand and students' test scores improve as principal experience increases, suggesting principal retention as an important policy issue. In his research with
216:
and notification reduce the frequency of reported sex offenses against local victims, though the former acts by keeping police informed about local sex offenders, whereas the latter deters non-registered offenders and actually may exacerbate
164:, wherein he principals' subjective evaluations of teacher effectiveness to be good predictors of teachers' objective effectiveness. Next to teacher recruitment, Rockoff's research on teacher retention has found that mentoring among
208:
on student achievement, Rockoff finds that charter school attendance improves elementary school students' scores in math and reading by ca. six percentile point ranks. In work with
212:, Rockoff observes that house prices within 0.1 miles of a sex offender fall on average by 4%. Finally, in research with J.J. Prescott, Rockoff finds that both
145:
260:
List of prize winners of the George S. Eccles
Research Award in Finance and Economics on the website of Columbia University. Retrieved April 13th, 2018.
161:
93:, first as assistant professor (2004–07), then as associate professor (2008–16), and since 2016 as full professor. Rockoff is affiliated with the
209:
133:
527:
Chetty, R., Friedman, J.N., Rockoff, J.E. (2011). The long-term impacts of teachers: Teacher value-added and student outcomes in adulthood.
57:. His research on the management of public schools has been awarded the 2016 George S. Eccles Research Award in Finance and Economics by
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337:"The narrowing gap in New York City teacher qualifications and its implications for student achievement in high-poverty schools"
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deviations, respectively, and reading scores are found to increase in teachers' experience. Similarly, together with
123:
Jonah
Rockoff's research focuses on teachers, in particular the measurement of teachers' impact, and public schools.
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Profile of Jonah
Rockoff on the website of the National Bureau of Economic Research. Retrieved April 13th, 2018.
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461:"Does Mentoring Reduce Turnover and Improve Skills of New Employees? Evidence from Teachers in New York City"
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111:
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Curriculum vitae of Jonah
Rockoff from the website of Columbia University. Retrieved April 18th, 2018.
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Faculty profile of Jonah
Rockoff on the website of Columbia University. Retrieved April 13th, 2018.
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575:"Measuring the Impacts of Teachers II: Teacher Value-Added and Student Outcomes in Adulthood"
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430:"Subjective and objective evaluations of teacher effectiveness: Evidence from New York City"
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Center for
Analysis of Longitudinal Data in Education Research Working Paper Series No. 38
368:"What does certification tell us about teacher effectiveness? Evidence from New York City"
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have researched better ways to measure the effectiveness of teachers, with a focus on the
8:
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42:
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Boyd, Donald; Lankford, Hamilton; Loeb, Susanna; Rockoff, Jonah; Wyckoff, James (2008).
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544:"Measuring the Impacts of Teachers I: Evaluating Bias in Teacher Value-Added Estimates"
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306:"The Impact of Individual Teachers on Student Achievement: Evidence from Panel Data"
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Rockoff, Jonah E.; Jacob, Brian A.; Kane, Thomas J.; Staiger, Douglas O. (2011).
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693:"Do Sex Offender Registration and Notification Laws Affect Criminal Behaviour?"
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Editorial Board of the
Journal of Public Economics. Retrieved April 13th, 2018.
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657:"Estimates of the impact of crime risk on property values from Megan's Laws"
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in 2004. Since his graduation, Rockoff has taught and researched at the
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Faculty profile of Jonah Rockoff on the website of Columbia University
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Google Scholar profile of Jonah Rockoff. Retrieved April 13th, 2018.
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and currently works as Professor of Finance and Economics at the
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Kane, Thomas J.; Rockoff, Jonah E.; Staiger, Douglas O. (2008).
194:
399:"Can You Recognize an Effective Teacher when You Recruit One?"
490:"Searching for Effective Teachers with Imperfect Information"
82:
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Chetty, Raj; Friedman, John N.; Rockoff, Jonah E. (2014).
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Chetty, Raj; Friedman, John N.; Rockoff, Jonah E. (2014).
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628:"The impact of charter schools on student achievement"
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488:Staiger, Douglas O.; Rockoff, Jonah E. (2010).
604:Clark, D.; Martorell, P.; Rockoff, J. (2009).
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179:More recently, Rockoff and his co-researchers
160:). This research is complemented by work with
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195:Research on public schools, crime and housing
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428:Rockoff, Jonah E.; Speroni, Cecilia (2011).
49:. Rockoff's research interests include the
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606:"School Principals and School Performance"
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341:Journal of Policy Analysis and Management
109:. Moreover, he works as co-editor of the
691:Prescott, J. J.; Rockoff, J. E. (2011).
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626:Hoxby, C. M.; Rockoff, J. E. (2004).
529:National Bureau of Economic Research
95:National Bureau of Economic Research
91:Columbia Graduate School of Business
47:Columbia Graduate School of Business
655:Linden, L.; Rockoff, J. E. (2008).
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16:U.S.-American education economist
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169:the U.S. are summarized in a
697:Journal of Law and Economics
465:NBER Working Paper No. 13868
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403:Education Finance and Policy
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32:American education economist
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112:Journal of Public Economics
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304:Rockoff, Jonah E. (2004).
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635:Unpublished Working Paper
214:sex offender registration
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741:publications indexed by
665:American Economic Review
579:American Economic Review
548:American Economic Review
322:10.1257/0002828041302244
310:American Economic Review
59:Columbia Business School
189:value added methodology
81:in 1997, followed by a
69:Jonah Rockoff earned a
788:Amherst College alumni
591:10.1257/aer.104.9.2633
560:10.1257/aer.104.9.2593
51:economics of education
678:10.1257/aer.98.3.1103
768:Education economists
415:10.1162/EDFP_a_00022
127:Research on teachers
506:10.1257/jep.24.3.97
43:education economist
87:Harvard University
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