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Can Raising Instructional Time Crowd Out Student Pro-Social Behaviour? Unintended Consequences of a German High School Reform

Christian  Krekel,  August 2017
Paper No' CEPDP1495: | Full paper (pdf)
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Keywords: instructional time, student pro-social behaviour, volunteering, scholastic involvement, political interest, quasi-natural experiment, G8 reform, SOEP

JEL Classification: I21; I28; D01

Is hard copy/paper copy available? YES - Paper Copy Still In Print.
This Paper is published under the following series: CEP Discussion Papers
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Abstract:

We study whether raising instructional time can crowd out student pro-social behaviour. To this end, we exploit a large educational reform in Germany that has raised weekly instructional hours for high school students by 12.5% as a quasi-natural experiment. Using a difference-in-differences design, we find that this rise has a negative and sizeable effect on volunteering, both at the intensive and at the extensive margin. It also affects political interest. There is no similar crowding out of scholastic involvement, but no substitution either. Impacts seem to be driven by a reduction in available leisure time as opposed to a rise in intensity of instruction, and to be temporary only. Robustness checks, including placebo tests and triple differencing, confirm our results.