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. Author manuscript; available in PMC: 2010 Jun 10.
Published in final edited form as: Am Econ Rev. 2009 Mar 1;99(1):324–349. doi: 10.1257/aer.99.1.324

Figure 2. Methamphetamine Price and Purity in California by Size of Purchase.

Figure 2

Notes: There are an average of 7.3 purchases per month under 30 grams and 6.9 purchases per month over 30 grams. For the August 1995 to March 1996 period these dropped to 6.5 and 3, respectively. Purchases with prices over $200 per gram have been dropped.