Bale more law (also called the law on February 8) is the 19th century and early 20th century Italian economist Bale found more. He said that in any group of things, the most important of which only a small portion, about 20%, the remaining 80%, although the majority of it is minor, also known as the law on February 8.巴莱多定律(也叫二八定律)是１９世纪末２０世纪初意大利经济学家巴莱多发现的。他认为，在任何一组东西中，最重要的只占其中一小部分，约２０％，其余８０％尽管是多数，却是次要的，因此又称二八定律。
