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Posts tagged markets
Impact of darknet market seizures on opioid availability

By Roderic Broadhurst, Matthew Ball, Chuxuan Jiang, Joy Wang and Harshit Trivedi

Opioids, including the highly potent synthetic opioids fentanyl and carfentanil, are commonly sold on illicit cryptomarkets or Tor darknet markets. Data collected throughout 2019 from 12 large darknet markets that sold opioids enabled observation of the impact of law enforcement seizures and voluntary or scam market closures on the availability of fentanyl and other opioids.

Trends in opioid and fentanyl availability before and after law enforcement interventions indicate whether market operators and sellers are deterred and whether market closures lead to displacement, dispersal or substitution. Evidence of all of these outcomes was present in both descriptive and trend analyses, although most effects were short lived. Market closures, especially law enforcement seizures, reduced the availability of opioids, in particular fentanyl, as well as increasing prices and displacing vendors to other markets. Market closures also led vendors to substitute fentanyl for other opioids or other illicit drugs.

Research Report no. 18. Canberra: Australian Institute of Criminology, 2021. 73p.

When prohibition works: Comparing fireworks and cannabis regulations, markets, and harms

By Jonathan P. Caulkins, Kristina Vaia Reimer

Background: Nations wrestle with whether to prohibit products that can harm consumers and third parties but whose prohibition creates illegal markets. For example, cannabis is banned in most of the world, but supply for non-medical use has been legalized in Uruguay, Canada, and much of the United States and possession restrictions have been liberalized in other countries. Likewise, supply and possession of fireworks have been subject to varying degrees of prohibition in multiple countries, with those bans prompting significant evasion. Methods: Current and past history of fireworks regulations, sales, and harms are reviewed and contrasted with those for cannabis. The focus is on the United States, but literature from other countries is incorporated when possible and appropriate. This extends the insightful literature comparing drugs to other vices (such as gambling and prostitution) by comparing a drug to a risky pleasure that is not seen as a vice but which has been subject to prohibition. Results: There are many parallels between fireworks and cannabis in legal approaches, harms to “users”, harms to others, and other externalities. In the U.S. the timing of prohibitions were similar, with prohibitions on fireworks being imposed a little later and repealed a little sooner. Internationally, the countries that are strictest with fireworks are not always those that are strictest with drugs. By some measures, harms are of roughly similar magnitude. During the last years of U.S. cannabis prohibition, there were about 10 emergency department (ED) events per million dollars spent on both fireworks and illegal cannabis, but fireworks generated very roughly three times as many ED events per hour of use/enjoyment. There are also differences, e.g., punishments were less harsh for violating fireworks prohibitions, fireworks consumption is heavily concentrated in just a few days or weeks per year, and illegal distribution is primarily of diverted legal products, not of illegally produced materials. Conclusions: The absence of hysteria over fireworks problems and policies suggests that societies can address complex tradeoffs involving risky pleasures without excessive acrimony or divisiveness when that product or activity is not construed as a vice. However, the conflicted and time-varying history of fireworks bans also show that difficulty balancing freedoms and pleasure with harms to users and others is not restricted to drugs or other vices. Use-related harms fell when fireworks were banned and rose when those bans were repealed, so fireworks prohibitions can be seen as “working” from a public health perspective, but not well enough for bans to be employed in all times or places

International Journal of Drug Policy. Volume 118, August 2023,