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...

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...