Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/318460 
Year of Publication: 
2025
Series/Report no.: 
RF Berlin - CReAM Discussion Paper Series No. 09/25
Publisher: 
Rockwool Foundation Berlin (RF Berlin) and Centre for Research & Analysis of Migration (CReAM), Berlin and London
Abstract: 
This study examines the impact of increasing the Minimum Legal Drinking Age (from 16 to 18 years old) on the academic performance, substance use, and peer behaviours of teenagers. Using a difference-in-discontinuities design, we exploit regional MLDA reforms in Spain and PISA data to identify significant improvements in mathematics and science performance, particularly among male teenagers and those from lower socioeconomic backgrounds. A complementary analysis using data from the Survey on Drug Use in Secondary Education in Spain indicates that these academic gains coincide with reductions in alcohol consumption, intoxication, smoking, and marijuana use, suggesting a link between substance use and educational outcomes. Moreover, the reform led to less drinking and less use of illicit drugs within peer networks, highlighting the amplifying role of peer effects in policy impact.
Subjects: 
minimum legal drinking age
education
risky behaviour
alcohol
difference-in-discontinuities
PISA
ESTUDES
Spain
teenagers
JEL: 
I18
I12
I21
Document Type: 
Working Paper

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