Introduction -- Laudatio, un message pour le siecle / J. Rueff -- Development economics; the spurious consensus and its background / P. T. Bauer -- Is economics the science of choice? / J. M. Buchanan -- Wage-push inflation once more / G. Haberler -- Will market economics and planned economies converge? / G. N. Halm -- Methodological individualism and the market economy / L. M. Lachmann -- On neutral money / F. A. Lutz -- Liberalism and the choice of freedoms / F. Machlup -- The control of demand / F. W. Paish -- The determinants of social action / M. Polanyi -- A pluralist approach to the philosophy of history / K. R. Popper -- A behavioral approach to monetary theory / G. Schmolders -- Hayek on growth, a reconsideration of his early theoretical work / E. Streisser -- The new theory of corporations / G. Tullock.