The importance of economics to the analysis and enforcement of competition policy and law has increased tremendously in the developed market economies in the past forty years. In younger and developing market economies, competition law itself has a history of twenty to twenty-five years at most...

This paper presents a non-technical introduction to three economic tools that have in recent years become widespread in competition law enforcement in general and in the analysis of proposed mergers in particular: critical loss analysis, upward pricing pressure, and the vertical arithmetic. In...

This paper argues that externalities stemming from inadequate use of domestic competition laws are hard to measure and if at all that practice shows that they are rather unimportant. On the other hand, the existing framework (unilateral bilateral / multilateral), if used properly, can provide at...

In contrast to the United States, Germany decided to add margin squeeze as a legal offense to German competition law. In response to this, the problems in the gasoline market have caused major debates. This paper examines the pricing strategies by gasoline retailers and discusses the...

Only recently, competition authorities tend to agree on comparative advertising being helpful in promoting competition. They now encourage firms to use it. They reason that comparative advertising, if fair and not misleading, increases consumers' information about alternative brands. For this to...