Douglass C.North pointed out, informal rules originated from inheritated culture values, and culture is the basic factor for forming values, customs, ethnics, ideologies etc.

• 诺斯指出，非正式制度源自价值的文化遗传，在形成非正式制度的价值信念、风俗习惯、伦理道德、意识形态等众多因素中，文化是最根本的因素。