Britain contrary to received wisdom was not a free trader for most of the 1800s and, despite repeal of the Corn Laws, continued to have higher tariffs than the French until the last quarter of the century. War with Louis fourteenth from 1689 led to the end of all trade between Britain and France...

We propose evolutionary dynamics to show how rules converge into norms. Individuals play a game of upholding or rejecting a rule, and the more they uphold the rule, the more it becomes established as a norm. We find that when individuals are rational, the initial state determines whether the...