The legal origins theory claims that the two main legal traditions or origins, civil law and common law, crucially shape lawmaking and dispute adjudication and have not been reformed after the initial exogenous transplantation by Europeans. Therefore, they affect economic outcomes to date. According to the evidence reported by the initial proponents of such a theory, countries that received civil law would display today less secure investor rights, stricter regulation, and more inefficient governments and courts than those that inherited common law. These differences would reflect both a stronger historical emphasis of common law on private ordering and the higher adaptability of judge-made law. Colonial Transplantation and Main Structural Differences While English common law originated in thirteenth century England and has then been transplanted through colonization and occupation to England’s ex-colonies (United States, Canada, Australia, and several countries in Central America, Africa and Asia), the Scandinavian common law was developed in Denmark and Sweden and the German common law sprang in Germany and Switzerland. These last four countries then exported their common law model to the respective colonies or to those jurisdictions (China, Greece, Japan, Romania, South Korea, Taiwan, Thailand, and Turkey), which were never colonized but borrowed their initial legal order from the European codes considered most advanced at the time. Civil law instead has its roots in Roman law, was incorporated by the Napoleonic codes first and then by both the Austrian and Russian Civil codes, and has been then introduced via mainly colonization and occupation into continental Europe, the Near East, Latin America, Africa, and Indochina. Bulgaria, Ethiopia, Iran, and Kazakhstan instead purposely borrowed their initial legal order from either France, Russia, or England. Structurally, the two legal traditions constitute a well-defined bundle of lawmaking and adjudication institutions and operate in quite different ways [Merryman 1969, p. 52, 123–127; Zweigert and Kötz 1998, p. 272]. While common law entrusts a key role to the precedents selected by appellate judges and allows more procedural discretion to lower adjudicating courts, civil law relies on legal codes designed by political representatives and bright-line adjudication rules. Early Empirical Evidence In a series of influential papers published between 1997 and 2008, Rafael La Porta, Florencio Lopez-de-Silanes, Andrei Shleifer, and Robert Vishny exploited the exogenous assignment of these very different institutions and assumed that they have not been reformed later on to provide evidence consistent with the idea that common law is correlated