This paper's purpose is to study the problem of a utility monopoly's regulator, which has a universal service goal that is binding, in the sense that there is no two-part tariff that can induce efficient consumption, self-finance the firm, and guarantee universal access at the same time.

We analyze the effect of introducing a minimum mandatory health insurance plan in a segmented market in which high risks are affiliated to the public insurer and low risks to the private ones (market segmentation is endogenously obtained in our model). We assume both types of insurers must...

We analyze the effect of introducing a minimum mandatory health insurance plan in a segmented market in which high risks are affiliated to the public insurer and low risks to the private ones (market segmentation is endogenously obtained in our model). We assume both types of insurers must...