A margin squeeze is an exclusionary abuse which occurs when a vertically integrated telecoms operator creates a disparity between upstream and downstream prices with the intention of squeezing an access competitor's profits. The purpose of such pricing is either to increase the latter's entry...

This paper presents results from a laboratory experiment studying the channels through which dierent law enforcement strategies deter cartel formation. With leniency policies oering immunity to the rst reporting party, a high ne is the main determinant of deterrence, having a strong eect even...

The theoretical framework of the adequacy or otherwise of fine reductions under the EU and US Leniency Programmes has been explored widely. However, the characteristics of the reporting cartel members remain unexplained. This is the first paper to develop a model where cartel members are...

In this article we show how to implement merger simulation in Stata after estimating an aggregate nested logit demand system with a linear regression model. We also show how to implement merger simulation when the demand parameters are not estimated, but instead calibrated to be consistent with...

There is widespread concern among regulators that favoring suppliers with good past performance, a standard practice in private procurement, may hinder entry by new firms in public procurement markets. In this paper we report results from a laboratory experiment exploring the relationship...

In a series of recent cases - most notably in TeliaSonera and Post Danmark - the equally efficient competitor principle has been explicitly recognised by the Court of Justice of the EU; more clearly so than by courts in the US, where the principle originates. However the exact scope of...