The Economist. [The Economist] The Trainspotting generation: the government is undermining a successful treatment system. (UK). (22 Mar 2013)

The Economist. [The Economist] Quietly, cannabis has in effect been decriminalised in Britain. (24 Mar 2012)

[The Economist] Markets in everything. User-friendly data. (15 Jul 2011)

The Economist. [The Economist] The cost of coke. (24 Jun 2011)

The Economist Newspaper. [The Economist] A map of world alcohol consumption. (15 Feb 2011)