Score contribution per author:
α: calibrated so average coauthorship-adjusted count equals average raw count
We use a discontinuity on the test score disclosure rule for the National Secondary Education Examination in Brazil to test whether test score disclosure affects student performance in public and private schools. We find that the impact of test score disclosure on student performance differs between public and private schools. Our results suggest that this difference is driven by differences in the market incentives faced by these two types of school.