Hof, Stefanie - Institut für Strategie und Unternehmensökonomik … - 2014
Private tutoring has become popular all over the world. However, the evidence on the effect of private tutoring is … if private tutoring yields any substantial returns for the individual. The present examination uses a large … to tighten the bounds. Under relatively weak assumptions, I find some evidence that private tutoring improves studentsÕ …