I. Introduction.- 1. Law and Economics and the Economics of Legal Regulation.- II. Law and Economics.- 2. Efficiency, Equity and Inalienability.- 3. Negotiated Settlement.- 4. Economic Efficiency and the Common Law: A Critical Survey.- 5. Default Risk and the Optimal Pricing of Court Enforcement Services.- 6. Transaction Cost and Communication.- III. Economics of Legal Regulation.- 7. Regulatory Measures to Enforce Quality Production of Self- Employed Professionals ¿ a theoretical study of a dynamic market process.- 8. Controlling Insider Trading in Europe and America: The Economics of the Politics.- 9. The Regulation of Shop Opening Hours in the United Kingdom.- 10. Belgian Pulbic Policy Towards the Retailing Trade.- 11. Assessing the Effectiveness of Economic Efficiency of an E.E.C. Pollution Control Directive: The Control of Discharges of Mercury to the Aquatic Environment.- Participants of the Conference on Law and Economics, Berlin.