Does Marijuana Use Impair Human Capital Formation?

Rosalie Pacula, Karen E. Ross and Jeanne Ringel

No 9963, NBER Working Papers from National Bureau of Economic Research, Inc

Abstract: In this paper we examine the relationship between marijuana use and human capital formation by examining performance on standardized tests among a nationally representative sample of youths from the National Education Longitudinal Survey. We find that much of the negative association between cross-sectional measures of marijuana use and cognitive ability appears to be attenuated by individual differences in school attachment and general deviance. However, difference-in-difference estimates examining changes in test scores across 10th and 12th grade reveal that marijuana use remains statistically associated with a 15% reduction in performance on standardized math tests.

JEL-codes: I12 I20 (search for similar items in EconPapers)
Date: 2003-09
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