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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 6. Positive Methamphetamine Test among Arrestees in San Diego, Los Angeles, and San Jose by Type of Crime.

Figure 6

Notes: Data from ADAM/DUF. Due to the sampling frame it is necessary to smooth the data with a moving average with a weight of 0.5 on the current month and 0.25 on the prior and following months.