Contingent valuation (7) Finance (7) Health (7) Insurance (6) Finance (6) enquête (5) santé (5) Health insurance (5) Health (5) assurance (4) Social security (4) Developing countries (4) Willingness to pay (4) Population (4) Insurance (4) consentement à payer (3) norme (3) papier (3) Methods (3) Unemployed (3) Public welfare (3) Paper (3) Nature (3) Evidence (3) Methods (3) état (2) spectacle (2) représentation (2) modèle (2) information (2)