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"High" achievers? Cannabis access and academic performance

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"High" achievers? Cannabis access and academic performance. / Marie, Olivier; Zölitz, Ulf.

In: Review of Economic Studies, Vol. 84, No. 3, 07.2017, p. 1210-1237.

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@article{35af8c41fb1e4be0853392db6a2f201a,
title = "{"}High{"} achievers? Cannabis access and academic performance",
abstract = "This paper investigates how legal cannabis access affects student performance. Identification comes from an exceptional policy introduced in the city of Maastricht in the Netherlands that discriminated access via licensed cannabis shops based on an individual's nationality. We apply a difference-in-difference approach using administrative panel data on course grades of local students enrolled at Maastricht University before and during the partial cannabis prohibition. We find that the academic performance of students who are no longer legally permitted to buy cannabis substantially increases. Grade improvements are driven by younger students and the effects are stronger for women and low performers. In line with how cannabis consumption affects cognitive functioning, we find that performance gains are larger for courses that require more numerical/mathematical skills. Our investigation of underlying channels using course evaluations suggests that performance gains are driven by an improved understanding of the material rather than changes in students' study effort.",
keywords = "marijuana, legalization, student performance, Legalization, Student performance, MARIJUANA, MEMORY, ALCOHOL, RANDOM ASSIGNMENT, Marijuana",
author = "Olivier Marie and Ulf Z{\"o}litz",
note = "UM student data (restricted)",
year = "2017",
month = "7",
doi = "10.1093/restud/rdx020",
language = "English",
volume = "84",
pages = "1210--1237",
journal = "Review of Economic Studies",
issn = "0034-6527",
publisher = "Oxford University Press",
number = "3",

}

RIS

TY - JOUR

T1 - "High" achievers? Cannabis access and academic performance

AU - Marie, Olivier

AU - Zölitz, Ulf

N1 - UM student data (restricted)

PY - 2017/7

Y1 - 2017/7

N2 - This paper investigates how legal cannabis access affects student performance. Identification comes from an exceptional policy introduced in the city of Maastricht in the Netherlands that discriminated access via licensed cannabis shops based on an individual's nationality. We apply a difference-in-difference approach using administrative panel data on course grades of local students enrolled at Maastricht University before and during the partial cannabis prohibition. We find that the academic performance of students who are no longer legally permitted to buy cannabis substantially increases. Grade improvements are driven by younger students and the effects are stronger for women and low performers. In line with how cannabis consumption affects cognitive functioning, we find that performance gains are larger for courses that require more numerical/mathematical skills. Our investigation of underlying channels using course evaluations suggests that performance gains are driven by an improved understanding of the material rather than changes in students' study effort.

AB - This paper investigates how legal cannabis access affects student performance. Identification comes from an exceptional policy introduced in the city of Maastricht in the Netherlands that discriminated access via licensed cannabis shops based on an individual's nationality. We apply a difference-in-difference approach using administrative panel data on course grades of local students enrolled at Maastricht University before and during the partial cannabis prohibition. We find that the academic performance of students who are no longer legally permitted to buy cannabis substantially increases. Grade improvements are driven by younger students and the effects are stronger for women and low performers. In line with how cannabis consumption affects cognitive functioning, we find that performance gains are larger for courses that require more numerical/mathematical skills. Our investigation of underlying channels using course evaluations suggests that performance gains are driven by an improved understanding of the material rather than changes in students' study effort.

KW - marijuana

KW - legalization

KW - student performance

KW - Legalization

KW - Student performance

KW - MARIJUANA

KW - MEMORY

KW - ALCOHOL

KW - RANDOM ASSIGNMENT

KW - Marijuana

UR - https://academic.oup.com/restud/article/84/3/1210/3091869

U2 - 10.1093/restud/rdx020

DO - 10.1093/restud/rdx020

M3 - Article

VL - 84

SP - 1210

EP - 1237

JO - Review of Economic Studies

T2 - Review of Economic Studies

JF - Review of Economic Studies

SN - 0034-6527

IS - 3

ER -