A Treatise on Political Economy by Antoine Louis Claude Destutt de Tracy (1754–1836) is a foundational text of nineteenth-century, free-market economic thought and remains one of the classics of nineteenth-century French economic liberalism. Destutt de Tracy was one of the founders of the classical liberal republican group known as the Idéologues, which included Jean-Baptiste Say, Marquis de Condorcet, and Pierre…