CONTENIDO: The conceptual framework. -- Introduction. -- The individualistic postulate. -- Politics and the economic nexus. -- Individual rationality in social choice. -- The realm of social choice. -- The organization of human activity. -- A generalized economic theory of constitutions. -- The rule of unanimity. -- The costs of decision-making. -- Analyses of decision-making rules. -- The structure of the models. -- Simple majority voting. -- Simple majority voting and the theory of games. -- Majority rule, game theory, and Pareto Optimality. -- Pareto Optimality, external costs, and income redistribution. -- The range and extent of collective action.-- Qualified majority voting rules, representation, and the interdependence of constitutional variables. -- The Bicameral legislature. -- The orthodox model of majority rule. -- The economics and the ethics of democracy. -- Democratic ethics and economic efficiency. -- Pressure groups, special interests, and the constitution. -- The politics of the good society.