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...

The Telecommunications Act of 1996 requires incumbent monopoly phone companies to lease elements of their networks to rivals. An important policy question is whether these unbundled elements are substitutes for entry modes that are more facilities-based. In this article, we estimate demand...

In this paper, we offer a hybrid approach to merger simulation in which we allow rather extensive pre-testing to suggest the 'correct', or most desirable, form for the underlying demand curves. Our application is the merger between the large mobile telephone companies Cingular and AT&T Wireless...

Estimation of the employment effects of changes in capital investment is a standard tool in public policy debates. Typically, such predictions are based on employment multipliers derived from Input–Output analysis. In this paper, we measure the employment effects of changes in capital...