The best places for intervention: 1. banks and offshore accounts (full transparency) 2.Transportation via private planes. Make it impossible to move large amounts of money using non transparent mechanisms. Make it impossible to move drugs via private planes. (most large drug shipments are moved via private airplanes).
I bring this up as I remember a fascinating security economics paper that examined the economics of spam and its non-obvious conclusions regarding a good intervention point: http://css.csail.mit.edu/6.858/2014/readings/trajectories.pd...
Does anyone here know of a similar study for the drug supply chain?