Discussion Paper Details

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Title: Cannabis Use and Mental Health Problems

Author(s): Jan C. van Ours and Jenny Williams

Publication Date: July 2009

Keyword(s): cannabis use, discrete factor models, duration models and mental health

Programme Area(s): Public Economics

Abstract: This paper investigates whether cannabis use leads to worse mental health. To do so, we account for common unobserved factors affecting mental health and cannabis consumption by modeling mental health jointly with the dynamics of cannabis use. Our main finding is that using cannabis increases the likelihood of mental health problems, with current use having a larger effect than past use. The estimates suggest a dose response relationship between the frequency of recent cannabis use and the probability of currently experiencing a mental health problem.

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Bibliographic Reference

van Ours, J and Williams, J. 2009. 'Cannabis Use and Mental Health Problems'. London, Centre for Economic Policy Research.