science économique (3) Economics (3) papier (2) modèle (2) méthode (2) Treatment (2) Selection (2) Identification (2) Paper (2) Identification (2) Hypothesis (2) Example (2) Econometrics (2) Identification (2) Use (2) tendance (1) politique (1) littérature (1) plomb (1) expérience scientifique (1) distribution (1) investigation (1) point (1) abords (agglomération) (1) étalonnage (1) index (1) Variation (1) Calibration (1) Showing (1) Methods (1)