Classics —still valid? -- Environmental Policy (2002) -- Approaches to an Effective Framework for Environmental Management (1993) -- Formulation and Implementation of Air Quality Control Programmes: Patterns of Interest Consideration (1982) -- Explaining Differences in the Performance of Clean Air Policies: An International and Interregional Comparative Study (1986) -- Institutional Change -- Evaluation of the Federal Office of Environmental Protection: Across Two Levels of Government (1996) -- New Institutional Arrangements for a New Generation of Environmental Policy Instruments: Intra- and Interpolicy Co-operation (1995) -- Regulatory Change and Institutional Rearrangement: Building New Policy Arenas for Ecologization of Agriculture, A Comparative Analysis of Programmes in France and Switzerland (1987) -- Emergence of New Analytical Concepts -- Distributional Issues in Regulatory Policy Implementation — the Case of Air Quality Control Policies (1986) -- A Policy Monitoring Concept for Promoting the Conservation of Biodiversity (2001) -- Environmental Capacity Building in Switzerland (1997) -- Ecobusiness and the State-Analysis and Scenarios (1996) -- New Readings for the 3rd Millennium -- Rationality Changes in Clean Air Policies (1960–2000) (2000) -- Institution Building for Sustainable Urban Mobility Policies (1999) -- Natural Resource Quotas and Contracts — A New Institutional Regime for our Common Resources (2000) -- Institutional Regimes for Natural Resources: An Innovative Theoretical Framework for Sustainability (2007).