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Jonathan Caulkins, Heinz facultyJonathan Caulkins

H. Guyford Stever University Professor of Operations Research & Public Policy

Heinz College

Topic: Marijuana Legalization




Rita Singh

Research Faculty

School of Computer Science

Topic: Forensics & Voice Recognition


Recent Publications

Caulkins, J. (2014). Is Marijuana Safer than Alcohol? Insights from Users’ Self-Reports. Heinz College Research. Retrieved from

Caulkins, J. P., Lee, M. A. C., & Kasunic, A. M. (2012). Marijuana Legalization: Lessons from the 2012 State Proposals. World Medical & Health Policy, 4(3–4), 4–34.

Paddock, S. M., Kilmer, B., Caulkins, J. P., Booth, M. J., & Pacula, R. L. (2012). An Epidemiological Model for Examining Marijuana Use over the Life Course. Epidemiology Research International, 2012.

Singh, R., Raj, B., Gencaga, D. (2016). Forensic anthropometry from voice: An articulatory-phonetic approach. 39th International Convention on Information and Communication Technology, Electronics and Microelectronics (MIPRO). Opatija, Croatia, 30 May-3 June 2016, 1375-1380.

Singh, R., Keshet, J., Hovy, E. (2016). Profiling hoax callersIEEE Symposium on Technologies for Homeland Security (HST). Waltham, MA, USA, 10-11 May 2016, 1-6.

Singh, R., Jiménez, A., Øland, A. (2017). Voice disguise by mimicry: deriving statistical articulometric evidence to evaluate claimed impersonation. IET Biometrics 6(4), 282 - 289.

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Additional Resources

The Audio Engineering Society unites audio engineers, creative artists, scientists and students worldwide by promoting advances in audio and disseminating new knowledge and research. 

The International Association for Forensic Phonetics and Acoustics (IAFPA) is the professional association for forensic scientists and researchers who analyse voices, speech and audio recordings. 


The RAND Drug Policy Research Center Corporation "has conducted research to help community leaders and public officials develop more effective ways of dealing with drug problems." Our speaker, Jonathan Caulkins, was the founding director of the Pittsburgh RAND Corporation office and published numerous reports and studies on the topic of marijuana legalization.


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