Endogenous access pricing (ENAP) is an alternative to the traditional procedure of setting a fixed access price that reflects the regulator’s estimate of the supplier’s average cost of providing access. Under ENAP, the access price reflects the supplier’s actual average cost of providing...

We develop a simple, yet general, model that admits as special cases several key analyses of the design of regulatory policy in the presence of asymmetric information. In doing so, we help to identify the central differences and similarities among the diverse analyses in the literature.