1. Global Competition
2. Comparative Competition Law;David J Gerber;The Oxford Handbook of Comparative Law,2019
3. United States' Federal Trade Commission;Global Competition Review,2019
4. Also consider Stigler's observation that there were "possibly twenty times" more economists serving as competition practitioners than officials in the United States at the beginning of 1980s;Robert Connolly;George J. Stigler,2018