Holzinger, K. (1999). Optimal Regulatory Units: A Concept of Regional Differentiation of Environmental Standards in the European Union. Bonn: Max Planck Institute for Research on Collective Goods

Kirchgässner, G. (1999). Trade Neutrality Environmental Policy: Some Theoretical Considerations and Simulation Results for Switzerland. Bonn: Max Planck Institute for Research on Collective Goods

Knill, C. (1999). Autonomous and Instrumental Bureaucracies: Institutional Indicators for the Explanation of Administrative Change. Bonn: Max Planck Institute for Research on Collective Goods

Knill, C., & Lehmkuhl, D. (1999). How Europe Matters: Different Mechanisms of Europeanization. Bonn: Max Planck Institute for Research on Collective Goods

Knill, C., & Lenschow, A. (1999). Governance im Mehrebenensystem: Die institutionellen Grenzen effektiver Implementation in der europäischen Umweltpolitik. Bonn: Max Planck Institute for Research on Collective Goods

Lehmann, M. (1999). Granting Discretion to Collusive Agencies. The Role of the "Standing" Doctrine. Bonn: Max Planck Institute for Research on Collective Goods

Lehmann, M. (1999). Private Institutions in Waste Management Policy and Their Antitrust Implications - The Case of Germany’s Dual Management System. Bonn: Max Planck Institute for Research on Collective Goods

Engel, C. (1998). Die privatnützige Enteignung als Steuerungsinstrument. Bonn: Max Planck Institute for Research on Collective Goods

Engel, C. (1998). Rechtswissenschaft als angewandte Sozialwissenschaft. Bonn: Max Planck Institute for Research on Collective Goods, Discussion Paper 1998/1

Engel, C. (1998). Selbstregulierung im Bereich der Produktverantwortung. Instrumente und deren Ausgestaltung. Bonn: Max Planck Institute for Research on Collective Goods

Héritier, A. (1998). After liberalization: public-interest services in the utilities. Bonn: Max Planck Institute for Research on Collective Goods

Héritier, A. (1998). Second-order institutionalization in Europe: How to solve collective action problems under conditions of diversity. Bonn: Max Planck Institute for Research on Collective Goods

Holzinger, K. (1998). Die Leistungsfähigkeit umweltpolitischer Kooperationslösungen. Bonn: Max Planck Institute for Research on Collective Goods

Okruch, S. (1998). "Hindrängen" zur Ordnung und "Entdeckung" des Rechts: Fragen zur kulturellen Evolution. Bonn: Max Planck Institute for Research on Collective Goods