The importance of friendship networks and drug sharing is a well-documented feature of
marijuana use. Recent studies show an increased role of acquiring marijuana through …

There are numerous analytic and methodological limitations to current measures of drug
market activity. This paper explores the structure of markets and individual user behavior to …

This paper documents the bifurcation of the market for commercial marijuana from the
market for designer marijuana in New York City. Commercial marijuana is usually grown …

The New York City Police Department (NYPD) has made enforcement of laws against
disorder and quality‐of‐life offenses a central part of its policing strategy. Concomitantly …

Recent survey research has documented important increases during the 2000s in the
misuse and abuse of several prescription drugs (Vicodin, Percocet, Codeine, Dilaudid …

Background During the 1990s, the New York Police Department (NYPD) greatly expanded
arrests for smoking marijuana in public view (MPV). By 2000, MPV accounted for 15% of all …

Purpose–During the 1990s, the New York City Police Department (NYPD) instituted a policy
of arresting and detaining people for minor offenses that occur in public as part of their …

This paper analyzes illicit drug markets in New Orleans before and after Hurricane Katrina
and access to drug markets following evacuation at many locations and in Houston. Among …

Internationally, where marijuana is illegal, users follow etiquette rules that prevent negative
consequences of use. In this study, adherence to etiquette is hypothesized to reduce …

This paper shows that active police enforcement of civic norms against marijuana smoking
in public settings has influenced the locations where marijuana is smoked. It has subtly …