puits (1) taxation (1) taxe (1) papier (1) modèle (1) analyse (1) demande (offre et demande) (1) coût (1) abords (agglomération) (1) biens (1) Taxation (1) Rules (1) Rules (1) Taxation (1) Scarcity (1) Paper (1) Fiscal policy (1) Example (1) Cost (1) Analysis (1)