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...

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...

The Merger Guidelines released in March 2008 by the Australian Competition and Consumer Commission (ACCC) provide a guide to the analytical approach the ACCC intends to adopt to assessing mergers for the purposes of s.50 of the Trade Practices Act. The new Guidelines do a relatively good job in...

Termination charges toward newer entrants are often set asymmetrically to exceed efficient costs for telephony traffic. Such practices are said to be beneficial to consumers as well as providing competition a quot;leg-upquot;. However claims of consumer benefit are dubious at best, while infant...

Recent models which claim to provide examples of profitable foreclosure--when a firm weakens competition by reducing its access to customers or inputs--have led to calls for more aggressive antitrust activity by courts and regulators. However, we show that the alleged anticompetitive behavior of...