Interpreting Tests of School VAM Validity
Public school districts increasingly look to the estimates generated by value-added models (VAMs) to measure school and teacher quality. A typical VAM compares average student test scores across teachers or schools while using regression models to control for students’ past scores and demographic characteristics. The resulting estimates serve as inputs into teacher retention and promotion policies, school report card systems, and decisions […]More...
The Impact of Computer Usage on Academic Performance: Evidence from a Randomized Trial at the United States Military Academy
We present findings from a study that prohibited computer devices in randomly selected classrooms of an introductory economics course at the United States Military Academy. Average final exam scores among students assigned to classrooms that allowed computers were 18 percent of a standard deviation lower than exam scores of students in classrooms that prohibited computers. Through the use of […]More...
Importing Political Polarization? The Electoral Consequences of Rising Trade Exposure
Has rising trade integration between the U.S. and China contributed to the polarization of U.S. politics? Analyzing outcomes from the 2002 and 2010 congressional elections, we detect an ideological realignment that is centered in trade-exposed local labor markets and that commences prior to the divisive 2016 U.S. presidential election. Exploiting the exogenous component of rising […]More...
“An economist delves into charter schools: PhD student Elizabeth Setren brings data to bear on questions about local education policy”
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