Part I. Political Economy in the Age of Industry 1. Prelude I. Political economy in the age of industry Claire Silvant 2. The founding fathers of the French liberal thought: L.-C.-C. Destutt de Tracy and Jean-Baptiste Say Alain B?raud & Guy Numa 3. Liberal economists after Say Alain B?raud & Claire Silvant 4. Antoine-Augustin Cournot and the emergence of mathematical economics Alain B?raud & Guy Numa 5. Jules Dupuit and the ing?nieurs ?conomistes Claire Silvant 6. L?on Walras. A trilogy of pure, applied and social economics Jean-Pierre Potier 7. Tradition and innovation at the turn of the twentieth century Alain B?raud & Claire Silvant Part II. Critiques of Liberal Political Economy 8. Prelude II. Introduction to the critiques of political economy Gilbert Faccarello 9. Jean-Charles L?onard Simonde de Sismondi Pascal Bridel 10. Claude-Henri de Saint-Simon and the Saint-Simonians Rag1p Ege 11. Associationists and socialists: the first debates Cl?ment Coste & Ludovic Frobert 12. Fin-de-si?cle socialisms Vincent Bourdeau 13. The sociological critique of liberal political el“(