Hille, Adrian; Spieß, C. Katharina; Staneva, Mila - In: DIW-Wochenbericht : Wirtschaft, Politik, Wissenschaft 83 (2016) 6, pp. 111-120
Private tutoring is playing an increasingly significant role in the education of many teenagers and children: In 2013 … percent of 17-year-old respondents indicated that they had received tutoring at least once in the course of their school …