Much of behavioural research, both in economics and in psychology, is limited in one respect: it tests isolated individuals. In many practically relevant situations, there are discernible actors, but these actors are not individuals. Rather firms, regulatory bodies, associations, countries or...

A technology often reaches perfection when its successor is already in place. Miraculously speedy and reliable punch card readers were finally available on the market when demand shifted to personal computers, to cite only one example. Do constitutions follow the same evolutionary pattern?...

Hardly any of the law's subjects know the text of the provisions that govern their conduct. Even less would they be able to handle this text properly, were they to get access to it. Nonetheless the law firmly believes that it is not feckless. This paper solves the puzzle by drawing on four...

The Internet globalizes the world. National regulatory autonomy shrinks. Transferring data from one country to another is almost costless. Foreign content is just a click away. Why is it that states have been able to re-install co-existence in some policy areas, and not in others? In data...