初级保健医生、公立与私立专科医生是替代品还是互补品？来自计数数据联立方程模型的证据

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

• Vincenzo Atella · 罗马第二大学 通讯
• Partha Deb · 纽约市立大学