Moriarty, John; McVicar, Duncan; Higgins, Kathryn - Melbourne Institute of Applied Economic and Social … - 2012
This paper examines peer effects in adolescent cannabis use from several different reference groups, exploiting survey …, positive, and statistically significant peer effects. Treating nominated friends as the reference group, and using both school … peer effects. Our preferred IV approach exploits information about friends of friends – ‘friends once removed’, who are not …