At the request of Pittsburgh Public Schools and the Pittsburgh Federation of Teachers, Mathematica has developed value-added models that aim to estimate the contributions of individual teachers and schools to the achievement of their students.

Teacher value-added models (VAMs) must isolate teachers’ contributions to student achievement to be valid. Well-known VAMs use different specifications, however, leaving policymakers with little clear guidance for constructing a valid model.

In this article, we explore whether the evaluation instruments used to recruit teachers in the national teacher hiring process in Peru are good predictors of teacher effectiveness. To this end, we estimate teacher value-added (TVA) measures for public primary school teachers in 2018 and test for...

In this article, we explore whether the evaluation instruments used to recruit teachers in the national teacher hiring process in Peru are good predictors of teacher effectiveness. To this end, we estimate teacher value-added (TVA) measures for public primary school teachers in 2018 and test for...

This study explores the impact of a particular low marginal-cost employee benefit on employees' intended retention and performance. By utilizing a unique data set constructed by surveying full-time faculty and staff members at a public university in the United States, we study the impact of this...

We assess whether public sector employees have a stronger inclination to serve others and are more risk averse than employees in the private sector. A unique feature of our study is that we use revealed rather than stated preferences data. Respondents of a large-scale survey were offered a...