Abstract: No doubt, Oliver E.Williamson is the most important leading figure in transaction costs economics.He made a very great contribution to the development of transaction costs economics.

• 摘 要: 毫无疑问，威廉姆森是交易成本经济学的集大成者和领军人物，正是他对交易成本经济学的巨大贡献才极大地推动了该学科发展。