The "Liberalization Database - 37 countries, 1973-2013" is a systematic compilation of liberalizing and de-liberalizing reforms in the context of the Liberalization project directed by Klaus Armingeon (University of Bern) and Lucio Baccaro (University of Geneva), and funded by the Swiss National Science Foundation. The database covers 37 advanced capitalist democracies between 1973 and 2013 and identifies a total of 12,426 reform policy changes (i.e., policy discontinuities) in 13 policy fields.