Kyung Min Kang
Johns Hopkins University
Department of Economics
3400 N. Charles St.
544E Wyman Bldg.
Baltimore, MD 21218
Institutional Affiliation: Johns Hopkins University
NBER Working Papers and Publications
|November 2018||Teacher Expectations Matter|
with Nicholas W. Papageorge, Seth Gershenson: w25255
We develop and estimate a joint model of the education and teacher-expectation production functions that identifies both the distribution of biases in teacher expectations and the impact of those biases on student outcomes via self-fulfilling prophecies. Our approach leverages a unique feature of a nationally representative dataset: two teachers provided their educational expectations for each student. Identification of causal effects exploits teacher disagreements about the same student, an idea we formalize using lessons from the measurement error literature. We provide novel, arguably causal evidence that teacher expectations affect students' educational attainment: Estimates suggest an elasticity of college completion with respect to teachers' expectations of about 0.12. On average,...