Individual Teacher Incentives, Student Achievement and Grade Inflation
Pedro S. Martins
Queen Mary College - School of Business and Management; CEG - IST; Institute for the Study of Labor (IZA)
IZA Discussion Paper No. 4051
How do teacher incentives affect student achievement? We contribute to this question by examining the effects of the recent introduction of teacher performance-related pay and tournaments in Portugal's public schools. Specifically, we draw on matched student-school panel data covering the population of secondary school national exams over seven years. We then conduct a difference-in-differences analysis based on two complementary control groups: public schools in two autonomous regions that were exposed to lighter versions of the reform than in the rest of the country; and private schools, which are also subject to the same national exams but whose teachers were not affected by the reform. Our results consistently indicate that the increased focus on individual teacher performance caused a significant decline in student achievement, particularly in terms of national exams. The triple-difference results also document a significant increase in grade inflation.
Number of Pages in PDF File: 37
Keywords: performance-related pay, public sector, matched school-student data
JEL Classification: I21, M52, I28
Date posted: March 17, 2009
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