When in a drug epidemic should the policy objective switch from use reduction to harm reduction?

Jonathan P. Caulkins, Gustav Feichtinger, Gernot Tragler, Dagmar Wallner. When in a drug epidemic should the policy objective switch from use reduction to harm reduction?. European Journal of Operational Research, 201(1):308-318, 2010. [doi]

@article{CaulkinsFTW10,
  title = {When in a drug epidemic should the policy objective switch from use reduction to harm reduction?},
  author = {Jonathan P. Caulkins and Gustav Feichtinger and Gernot Tragler and Dagmar Wallner},
  year = {2010},
  doi = {10.1016/j.ejor.2009.03.015},
  url = {http://dx.doi.org/10.1016/j.ejor.2009.03.015},
  researchr = {https://researchr.org/publication/CaulkinsFTW10},
  cites = {0},
  citedby = {0},
  journal = {European Journal of Operational Research},
  volume = {201},
  number = {1},
  pages = {308-318},
}