Preface -- The New Institutional Economics: Its Start, its Meaning, its Prospects.-Uncertainty in Economic Theory from the Perspective of New Institutional Economics -- New Economic Sociology and New Institutional Economics -- The Role of Law in the New Institutional Economics -- Entrepreneurs as Surrogate Forward Traders of Goods and Services, Seen from the Viewpoint of New Institutional Economics -- The Euro Crisis from the Perspective of the Preceding Debates on Fixed Versus Flexible Exchange Rates and the European Currency Union -- Why Price Stability? A Brief Answer from the Perspective of the New Institutional Economics.- Bringing Old and New Institutional Economics: Gustav Schmoller, the Leader of the Younger German Historical School, seen with Neoinstitutionalists' Eyes -- German "Ordnungstheorie" from the Perspective of the New Institutional Economics -- Methodology from the Viewpoint of an Economic Theorist -- Fifty Years On.