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...

The following is a transcription of my discussion of the papers (published in this issue) that were presented in the Panel on Competition Policy in Card-Based Payment Systems session of the Antitrust Activity in Card-Based Payment Systems: Causes and Consequences conference.

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...