Jirjahn, Uwe; Pfeifer, Christian; Tsertsvadze, Georgi - In: Applied economics letters 16 (2009) 10/12, pp. 1049-1052
If students tend to choose instructors with high teaching ability, a negative link between class size and student … performance may remain obscured until this kind of sorting has been taken into account. Using data from student evaluation surveys …
