The purpose of this text is to describe a procedure that can be used to construct a Herfindahl-Hirschman index of market concentration based on the following two pieces of information: <p> <p> a) An output measure of individual producers located in areas identified with a postal code. <p> b) A matrix...</p></p></p>

The purpose of this paper is to gain more knowledge concerning individuals’ preferences for alternative GPs within a municipality. We have data on the population’s first, second and third choice of GPs. The data stem from the entry form the inhabitant filled in as a result of the...

We study the interaction between patient shortage and patients' waiting time to get an appointment. From a theoretical model we predict that physicians experiencing a shortage of patients offer their patients a shorter waiting time than their unconstrained colleagues. This happens because a...