“…Among others, Burroughs, Maxey, and Levy (2002), Ginsburg, Donahue, and Newby (2005), Mahlknecht and Voelter-Mahlknecht (2005), Stewart (1996), and Roter, Hall, and Aoki (2002) are good examples that support this hypothesis. 3 See in particular Cropper (1981), Wagstaff (1986), Wagstaff (1993), Van Doorslaer (1987), Zweifel and Breyer (1997), Erbsland, Ried, and Ulrich (1995), Nocera andZweifel (1998), andGerdtham, Johannesson, Lundberg, andIsacson (1999). 4 In terms of salary, the most important source of income is capitation (70% of income on average)-the patient list depending on the physician's experience and the demographic characteristics of the patients-followed by subsidies for investments (10% to 15%) for medical integration, staff employed, equipment, and remuneration by performance (about 10%) in terms of meeting regional programme criteria or adopting cost control measures, fee-for-service for vaccinations, house calls, minor surgery, and issuing certificates.…”