The ACLU of Washington State and the Washington (D.C.) Office on Latin America have assembled a fantastic set of reference materials on evaluation of cannabis legalization policies. Click here or go to https://aclu-wa.org/cannabis2015, which leads to a reference materials and a five-page reading list.
The reading list is reachable directly here or at https://aclu-wa.org/sites/default/files/attachments/Cannabis%20Policy%20Evaluation%20Workshop%20-%20RECOMMENDED%20READING.pdf
The Center for New Revenue 