Dear Colleagues,
We have spent the last several years working on a project to collect data on competition law and enforcement around the world. We are excited to announce that today we launched a website to share the results of that project: www.ComparativeCompetitionLaw.org<http://www.ComparativeCompetitionLaw.org>. The website has five new dataset on competition law available to download. These datasets include:
* The Comparative Competition Law Dataset, which provides detailed coding on competition law provisions from 131 jurisdictions—126 countries and five regional organizations—from the beginning of modern competition law to 2010. In total, it contains information on dozens of variables coded from 700 competition laws. For more information on this dataset, and the enforcement dataset, see Anu Bradford, Adam Chilton, Christopher Megaw, and Nathaniel Sokol, “Competition Gone Global: Introducing the Comparative Competition Law and Enforcement Datasets<https://onlinelibrary.wiley.com/doi/pdf/10.1111/jels.12215>,” Journal of Empirical Legal Studies 16(2): 411-443 (2019).
* The Comparative Competition Enforcement Dataset, which provides information on competition agencies’ resources and activities in 100 jurisdictions between 1990 and 2010.
* The Competition Law Index (the “CLI”), which is a measure of the stringency of competition regulation. It is available for countries around the world from 1889 to 2010. The CLI quantifies the key elements of the authority granted to regulate competition and the substance of competition laws that are in force in each jurisdiction in each year since the country introduced its first competition law. For more information on the CLI, see Anu Bradford and Adam Chilton, “Competition Law Around the World from 1889 to 2010: The Competition Law Index<https://academic.oup.com/jcle/article-abstract/14/3/393/5132768?redirectedFrom=fulltext>,” Journal of Competition Law & Economics 14(3): 393-432 (2018).
The website also includes codebooks that explain the construction of the data, code that helps implement the data, and links to the first wave of papers written using the data. For an illustrates how the datasets can be used together to study substantive questions, see Anu Bradford and Adam Chilton, “Trade Openness and Antitrust Law<https://www.journals.uchicago.edu/doi/abs/10.1086/701438>,” Journal of Law and Economics 62(1): 29-65 (2019).
Additionally, we’d love the opportunity to clarify any questions, fix any errors, and cite any research using the data. So if you have any questions about the data, find any issues with the data, or use the data in your own work, please email us at [log in to unmask]<mailto:[log in to unmask]>.
Finally, this project was only possible because countless people around the world provided us with guidance, help, funding, and data. So to every individual, agency, and organization that made this project possible—thank you.
Best,
Anu and Adam
Anu Bradford<https://www.law.columbia.edu/faculty/anu-bradford>
Henry L. Moses Professor of Law and International Organization
Director, The European Legal Studies Center
Columbia Law School
Adam Chilton <https://www.law.uchicago.edu/faculty/chilton>
Professor of Law
Walter Mander Research Scholar
University of Chicago Law School
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