sets out to estimate the impact of economic factors on heroin and amphetamine injectors’ drug consumption, including cross …

This study investigates trajectories of heroin use and subsequent consequences in a sample of 471 male heroin addicts …-part growth mixture modeling strategy to heroin use level during the first 16 years of the addiction careers since first heroin … use, the authors identified three groups with distinctive profiles: stably high-level heroin users (n = 278), late …

of illegal drugs, Europe is viewed by criminal organizations as a transit area for heroin, cocaine, cannabis and …

Our 2007–2009 ethnography describes and analyses the practice of harm reduction in a heroin users’ group in the …

cocaine and heroin. In this paper, I empirically study the relationships between marijuana and cocaine or heroin by analyzing … marijuana arrests and treatments by 10–20%. However, there is no evidence that cocaine and heroin usage increases after the … passage of medical marijuana laws. In fact, the estimates on cocaine and heroin arrests or treatments are uniformly negative …

of the demand curve, and particularly for changes in slope, or ‘kinks’. Data collected from over 500 heroin users … and prices are reported. Using a switching regression model of heroin consumption with endogenous switching between … are offset. No evidence of kinks in the demand curve for heroin are identified for the range of prices quoted on the Oslo …