This paper examines peer effects in adolescent cannabis use from several different reference groups, exploiting survey … themselves friends – to instrument for friends’ cannabis use. Finally, we examine whether the cannabis use of schoolmates who are … not nominated as friends – ‘non-friends’ – influences own cannabis use. Once again using neighbourhood fixed effects and …

While at least a dozen state legislatures are considering bills to allow the consumption of marijuana for medicinal … purposes, the federal government has recently intensified its efforts to close medical marijuana dispensaries. Federal … officials contend that the legalization of medical marijuana encourages teenagers to use marijuana and have targeted …