Using a point-to-point model of toll demand, this paper provides estimates of own-price demand elasticities for international message telephone service. The study improves on previous studies by using more recent data and endogenizing price. Consistent with earlier studies, the demand for IMTS...

Flow through refers to the effect of a change in incremental production costs on the prices of goods or services, and is a topic of great interest to regulators and others. This article provides a framework for both analyzing flow through, and for evaluating whether or not flow through, properly...

When the facilities of an incumbent monopolist are made available to potential competitors through some type if "essential facilities" or related claim, a common concern is that the ability to "buy" inputs substantially attenuates the incentive to "make" inputs. In this paper, we evaluated both...

Using a time series of fifty years, the relationships between investment by telecommunications firms and Gross Domestic Product in the United States are examined. Granger-Sims causality tests are conducted, with proper allowance for both the non-stationarity of the data and lag length. These...