Alex Stevens

Dec 4, 2024 | brookings.edu | Alex Stevens

Alex Stevens Alex Stevens Chair in Criminology - School of Law, University of Sheffield, Acting Director - Centre for Criminological Research December 4, 2024

Oct 14, 2024 | brookings.edu | Alex Stevens |Vanda Felbab-Brown

In several European countries, 80% of people with opioid use disorder are in treatment, which makes the market less fertile for new, potent synthetic opioids like fentanyl. Alex Stevens Host Vanda Felbab-Brown speaks with Dr. Alex Stevens, criminology professor at the University of Sheffield, about the emerging threat of synthetic opioids in Europe, particularly fentanyl and nitazenes.

Sep 24, 2024 | onlinelibrary.wiley.com | Paul Horn |Alex Stevens |Adam Purcilly

In recent years, discrete notions of curvature have been defined and exploited to understand various geometric properties of graphs; especially regarding heat flow, and spectral properties. In this paper, we study various combinatorial properties implied by satisfying the Bakry–Émery curvature dimension inequality .

Jan 30, 2024 | transformingsociety.co.uk | Alex Stevens

Have you ever wondered why drug prohibition continues, despite its obvious failure to end drug use and the rising toll of drug-related deaths? My latest findings have revealed that the answer is that drug policy is not based on research evidence, but on the moral commitments and material interests that motivate political action. I call these the ‘ethico-political bases’ of drug policy making.

Jan 30, 2024 | bristoluniversitypress.co.uk | Alex Stevens

How is UK drugs policy made, and why does it so often seem irrational when considering what works in reducing drug-related harms? This book explains how the concept of drug policy constellations – the loosely concerted policy actors with shared moral commitments that influenced policy outcomes – explains why there is no such thing as 'evidence-based' drug policy.