Introduction: Taking structure seriously -- Structure and its measurement in econometrics -- Theory, structure and models -- Two strands of demand analysis -- Trygve Haavelmo and measuring the structure of the consumption function -- Milton Friedman and the emergence of the permanent income...

Introduction -- Unintended consequences -- The origin of money -- Segregation -- The invisible hand -- The origin of money reconsidered -- Models and representation -- Game theory and conventions -- Conclusion