Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/310918 
Year of Publication: 
2022
Citation: 
[Journal:] Health Care Management Science [ISSN:] 1572-9389 [Volume:] 25 [Issue:] 3 [Publisher:] Springer US [Place:] New York, NY [Year:] 2022 [Pages:] 498-514
Publisher: 
Springer US, New York, NY
Abstract: 
The sharing of patients reflects collaborative relationships between various healthcare providers. Patient-sharing in the outpatient sector is influenced by both physicians' activities and patients' preferences. Consequently, a patient-sharing network arises from two distinct mechanisms: the initiative of the physicians on the one hand, and that of the patients on the other. We draw upon medical claims data to study the structure of one patient-sharing network by differentiating between these two mechanisms. Owing to the institutional requirements of certain healthcare systems rather following the Bismarck model, we explore different triadic patterns between general practitioners and medical specialists by applying exponential random graph models. Our findings imply deviation from institutional expectations and reveal structural realities visible in both networks.
Subjects: 
Patient- and physician-induced networks
Outpatient sector
Service complementarity
Closed and open triads
Exponential random graph models
Persistent Identifier of the first edition: 
Creative Commons License: 
cc-by Logo
Document Type: 
Article
Document Version: 
Published Version

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