Protected areas (2) Finance (2) Finance (2) temps (durée) (1) spectacle (1) modèle (1) analyse (1) protection de l'environnement (1) effet (1) agriculture (1) déforestation (1) Article (1) Agriculture (1) Census (1) Census (1) Production possibility curve (1) Year (1) Time (1) Progress (1) Porter (1) Performance (1) Neighborhoods (1) Municipal government (1) Industrial productivity (1) Hypothesis (1) Grammar, Comparative and general--Article (1) Example (1) Estimates (1) Environmental protection (1) Deforestation (1)