... of teachers’ specialized training such as college economics coursework and advanced degrees were nearly as large as the primary student characteristics, although undergraduate economics training ... contributions of specialized teacher training and experience. However, the inclusion of an essay exam in our study revealed the novel finding that teachers’ undergraduate training in economics enhanced ... Value Added Measures of Teacher Quality.” CALDER Policy Brief 9. Washington, DC: The Urban Institute. Harris, Douglas N., and Tim R. Sass. 2007. Teacher Training, Teacher Quality, and Student...