TY - BOOK AU - Gertler, Paul AU - Van der Gaag, Jaques TI - Measuring the willingness to pay for social services in developing countries U1 - 361 PY - 1988/// CY - Washington PB - World Bank KW - Servicio Social KW - PaĆ­ses en Desarrollo N1 - 05721; A model of the demand for medical care. Empirical specification. The demand for medical care in Cote d'Ivoire. Conclusion and policy reform ER -