1. Economics – 2. The ricardian theory of production and distribution – 3. Historical and theoretical issues in the problema of modern capitalism – 4. The common sense of political economy (Wicksteed Reprinted) – 5. Social science – 6. Social causation – 7. “What is thruth” in economics? – 8. Statics and dynamics: some queries regarding the mechanical analogy in economics – 9. The business cycle, interest, and money: a methodological approach – 10. Salvation by science: the góspel according to profesor lundberg – 11. The role principles in economics and politics – 12. Free society: its basic nature and problem