1. Control in Large Organizations;K J Arrow;Management Science,1964
2. The Economics of Notaries;B Arru�ada;European Journal of Law and Economics,1996
3. Internal Markets in the Reform of the Spanish NHS: A Comment on the Planners' Latest Fantasy;B Arru�ada;Essays in Social Security and Taxation,1997
4. A Transaction Cost View of Title Insurance and its Role in Different Legal Systems;B Arru�ada;The Geneva Papers on Risk and Insurance-Issues and Practice,2002
5. Property Enforcement as Organized Consent;B Arru�ada;Journal of Law, Economics, and Organization,2003