We develop a 2-country model of legal dynamics in which each country's social welfare depends generally on its actual law, its culturally ideal one, its technologically efficient one and the actual law of the other country. In our model, countries are better off when all these laws coincide....

In this paper, we study the dynamics of legal rules in a model with two nation-states playing a non cooperative game. For each country, changing the legal system is a costly process. At the same time, the existence of different legal systems is also costly for all nation-states. We show that...