We propose to estimate strategic interaction effects between general practitioners (GPs) and different specialist types to evaluate the viability threat for specialists associated to the introduction of a mandatory referral scheme. That is, we show that the specialists' loss of patientele when...

We address the presence of supplier-induced demand in the Belgian primary care market, which is characterized by a fixed fee system and a high density of General Practitioners (GP). Using a unique dataset on the number of visits of all Belgian GPs, we first investigate whether we can find...