prix (1) papier (1) marché (1) industrie (1) distribution (1) coût (1) contrat (1) taux (1) Shock (1) Prices (1) Pricing (1) Price maintenance (1) Price discrimination (1) Paper (1) Markup (1) Maintenance (1) Inference (1) Industries (1) Industrialists (1) Gifts (1) Finance (1) Evidence (1) Cost (1) Contracts (1) Coffee (1) Nonlinear pricing (1) Finance (1) Prices (1) Models (1)