Synthetic Control Methods for Comparative Case Studies: Estimating the Effect of California's Tobacco Control Program

Building on an idea in Abadie and Gardeazabal (2003), this article investi- gates the application of synthetic control methods to comparative case studies. We discuss the advantages of these methods and apply them to study the ef- fects of Proposition 99, a large-scale tobacco control program tha...

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Main Authors: Abadie, Alberto, Diamond, Alexis, Hainmueller, Jens
Other Authors: Massachusetts Institute of Technology. Department of Political Science
Format: Article
Language:en_US
Published: American Statistical Association 2010
Online Access:http://hdl.handle.net/1721.1/59447
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author Abadie, Alberto
Diamond, Alexis
Hainmueller, Jens
author2 Massachusetts Institute of Technology. Department of Political Science
author_facet Massachusetts Institute of Technology. Department of Political Science
Abadie, Alberto
Diamond, Alexis
Hainmueller, Jens
author_sort Abadie, Alberto
collection MIT
description Building on an idea in Abadie and Gardeazabal (2003), this article investi- gates the application of synthetic control methods to comparative case studies. We discuss the advantages of these methods and apply them to study the ef- fects of Proposition 99, a large-scale tobacco control program that California implemented in 1988. We demonstrate that following Proposition 99 tobacco consumption fell markedly in California relative to a comparable synthetic con- trol region. We estimate that by the year 2000 annual per capita cigarette sales in California were about 26 packs lower than what they would have been in the absence of Proposition 99. Using new inferential methods proposed in this ar- ticle, we demonstrate the signi¯cance of our estimates. Given that many policy interventions and events of interest in social sciences take place at an aggregate level (countries, regions, cities, etc.) and affect a small number of aggregate units, the potential applicability of synthetic control methods to comparative case studies is very large, especially in situations where traditional regression methods are not appropriate.
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spelling mit-1721.1/594472022-10-01T11:44:39Z Synthetic Control Methods for Comparative Case Studies: Estimating the Effect of California's Tobacco Control Program Abadie, Alberto Diamond, Alexis Hainmueller, Jens Massachusetts Institute of Technology. Department of Political Science Hainmueller, Jens Hainmueller, Jens Building on an idea in Abadie and Gardeazabal (2003), this article investi- gates the application of synthetic control methods to comparative case studies. We discuss the advantages of these methods and apply them to study the ef- fects of Proposition 99, a large-scale tobacco control program that California implemented in 1988. We demonstrate that following Proposition 99 tobacco consumption fell markedly in California relative to a comparable synthetic con- trol region. We estimate that by the year 2000 annual per capita cigarette sales in California were about 26 packs lower than what they would have been in the absence of Proposition 99. Using new inferential methods proposed in this ar- ticle, we demonstrate the signi¯cance of our estimates. Given that many policy interventions and events of interest in social sciences take place at an aggregate level (countries, regions, cities, etc.) and affect a small number of aggregate units, the potential applicability of synthetic control methods to comparative case studies is very large, especially in situations where traditional regression methods are not appropriate. National Science Foundation (U.S.) (grant SES-0350645) 2010-10-21T15:54:32Z 2010-10-21T15:54:32Z 2010-06 2009-06 Article http://purl.org/eprint/type/JournalArticle 0162-1459 1537-274X http://hdl.handle.net/1721.1/59447 Alberto Abadie, Alexis Diamond, Jens Hainmueller. Journal of the American Statistical Association. June 1, 2010, 105(490): 493-505. doi:10.1198/jasa.2009.ap08746. en_US http://dx.doi.org/10.1198/jasa.2009.ap08746 Journal of the American Statistical Association Attribution-Noncommercial-Share Alike 3.0 Unported http://creativecommons.org/licenses/by-nc-sa/3.0/ application/pdf American Statistical Association MIT web domain
spellingShingle Abadie, Alberto
Diamond, Alexis
Hainmueller, Jens
Synthetic Control Methods for Comparative Case Studies: Estimating the Effect of California's Tobacco Control Program
title Synthetic Control Methods for Comparative Case Studies: Estimating the Effect of California's Tobacco Control Program
title_full Synthetic Control Methods for Comparative Case Studies: Estimating the Effect of California's Tobacco Control Program
title_fullStr Synthetic Control Methods for Comparative Case Studies: Estimating the Effect of California's Tobacco Control Program
title_full_unstemmed Synthetic Control Methods for Comparative Case Studies: Estimating the Effect of California's Tobacco Control Program
title_short Synthetic Control Methods for Comparative Case Studies: Estimating the Effect of California's Tobacco Control Program
title_sort synthetic control methods for comparative case studies estimating the effect of california s tobacco control program
url http://hdl.handle.net/1721.1/59447
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