Piopiunik, Marc; Schlotter, Martin - ifo Leibniz-Institut für Wirtschaftsforschung an der … - 2012
Theoretical work shows that grading on a curve, i.e., teachers assessing students relativeto their classmates, can negatively affect students’ learning effort. However, little isknown about its empirical incidence. To overcome bias from non-random sorting andomitted variables like teachers’...