Most late 19th-century US economists gave a rather cool welcome to the Sherman Act (1890), but not to the Clayton and FTC Acts (1914). A large literature has identified several explanations for this attitude, calling into play the relation between big business and competition, a non-neoclassical...

Economists regularly appear as expert witnesses in antitrust litigations. The paper analyzes how their models and methodologies have performed vis-à-vis the standards of relevance and reliability affirmed by the US Supreme Court in its 1993 Daubert decision. Some tentative explanations for the...