A vertically integrated firm that wholesales to its retail rivals can, if it has sufficient market power, set the margin between its retail and wholesale prices so as to harm its rivals. Conventionally, an imputation test is used to determine whether such behavior is being undertaken. Such tests...

This paper reviews the book "Cost Proxy Models and Telecommunications Policy"

Institutional design focuses on the task of providing accountability and effective monitoring of decision-making by bodies vested with the coercive powers of the state in a context where information is inherently limited, costly to acquire and asymmetrically distributed. This paper focuses on...

Time consistency refers to situations where a policy that is optimal ex ante proves not to be optimal ex post, creating the risk of opportunistic policy reversals. While the threat of such reversals has received widespread attention in the theoretical literature, testing whether policy is indeed...

Requiring developing countries to adopt competition laws has become a standard element in Free Trade Agreements between those countries and developed countries, and in the check list of measures sought by the World Bank and other multilateral institutions. However, there is little reason to...

Standard approaches to estimating the cost of capital are vulnerable to two errors when applied to sunk assets subject to economic regulation. First, investors in sunk assets usually have a valuable ability to delay commitment which is therefore an opportunity cost of investment. Second,...

The question of whether exclusive licensing of the right to provide harbour towage services in ports can provide a superior outcome to open competition has been among the questions that have recently preoccupied Australian policymakers. The purpose of this paper is to evaluate the arguments for...