Luchtmeier, Hendrik; Winkler, Thomas; Helberger, Christof - 2001
data for 498 students in the academic years 1990 and 1992, we analyze objective qualitative indicators for the efficiency … students who fail to complete their course of study (including those changing the subject), the rate of students that graduate …, the average duration of studies, average grades, and the rate of failed exams. We find that 40,5 % of the students give up …