Are primary care physicians, public and private sector specialists substitutes or complements? Evidence from a simultaneous equations model for count data.

@article{Atella2008ArePC,
  title={Are primary care physicians, public and private sector specialists substitutes or complements? Evidence from a simultaneous equations model for count data.},
  author={Vincenzo Atella and Partha Deb},
  journal={Journal of health economics},
  year={2008},
  volume={27 3},
  pages={770-85}
}
In this paper, we examine the relationships between health care visits to general practitioners, public and private sector specialists using data from Italy, which has a mixed public-private health care system. We develop a simultaneous equations model that allows for the discreteness of measures of utilization and estimate this model using maximum simulated likelihood. Once common unobserved heterogeneity is properly accounted for, general practitioners, public and private specialists are… CONTINUE READING