1. ACCC. “Potential ACCC Class Exemption for Collective Bargaining.” Discussion Paper Australian Competition and Consumer Commission 2018.
2. Alé Chilet J.“Gradually Rebuilding a Relationship: The Emergence of Collusion in Retail Pharmacies in Chile.” Working Paper University of Pennsylvania Philadelphia PA2017.
3. American Medical Association. “Competition in Health Insurance: A Comprehensive Study of U.S. Markets 2017 Update.” Technical report American Medical Association Chicago IL 2011.
4. Mostly Harmless Econometrics
5. Bargaining Theory, Trade Unions, and Industrial Strike Activity;Ashenfelter O.;American Economic Review,1969