'Crises of crisis management' : elements of a political crisis theory -- 'Ungovernability' : the renaissance of conservative theories of crisis -- Social policy and the theory of the state -- Theses on the theory of the state -- Legitimacy versus efficiency -- Some contradictions of the modern welfare state -- The separation of form and content in liberal democracy -- Competitive party democracy and the Keynesian welfare state -- Political culture and social democratic administration -- Alternative strategies in consumer policy -- European socialism and the role of the state -- Reflections on the welfare state and the future of socialism. An interview