I call the relevant facts “law-determining practices” rather than “legal decisions” because the term “decisions” tends to suggest judicial decisions in particular. The laws of good business say you shake hands and make eye contact when you leave. Under the law, private equity is taxed in exactly the same manner as every other investment.
Weber saw this law as having developed in parallel with the growth of capitalism. Other notable early legal sociologists included Hugo Sinzheimer, Theodor Geiger, Georges Gurvitch and Leon Petrażycki in Europe, and William Graham Sumner in the U.S. European Union law is the first and so far the only example of a supranational law, i.e. an internationally accepted legal system, other than the United Nations and the World Trade Organization.
The law of agency, insurance law, bills of exchange, insolvency and bankruptcy law and sales law are all important, and trace back to the medieval Lex …