TY - BOOK AU - Gaynor,Martin AU - Haas-Wilson,Deborah AU - Vogt,William B. TI - Are invisible hands good hands? moral hazard, competition, and the second best in health care markets AV - RA410.53 G396I PY - 1998/// CY - Cambridge, Mass PB - National Bureau of Economic Research KW - MEDICAL CARE, COST OF KW - UNITED STATES KW - ECONOMETRIC MODELS KW - INSURANCE, HEALTH KW - COMPETITION, IMPERFECT KW - ECONOMICS KW - RESEARCH ER -