Although both in US antitrust and European competition law there is a clear evolution to a much broader application of "rule of reason" (instead of per-se rules), there is also an increasing awareness of the problems of a case-by-case approach. The "error costs approach" (minimizing the sum of...

According to expressive law theories, expression of values is an important function played by the law. Expressive laws affect behavior, not by threatening sanctions or promising rewards, but by changing individual preferences and tastes and, in some cases, by affecting social norms and values....

Due to a variety of circumstances, lawmakers occasionally create laws whose aims are perceived as outright unjust by the majority of the people. In other situations, the law may utilize improper means for the pursuit of a just goal. In all such cases, lawmaking processes generate rules that do...