美国是世界上市场经济最发达的国家，其中介组织发育的程度也很高。据估计，美国的社会中介组织约有数十万之多，它们活跃在美国经济社会的各个方面，成为美国社会的重要组成部分。如在金融市场中，各种金融中介机构就有数万家之多，其中商业银行1万多家，储蓄贷款协会3200多家 The United States is the most developed country in the market economy in the world and its intermediary organizations are also developing very well. It is estimated that there are hundreds of thousands of social intermediaries in the United States. They are active in all aspects of the U.S. economy and society and have become an important part of American society. As in financial markets, there are tens of thousands of financial intermediaries, including over 10,000 commercial banks, over 3,200 savings and loan associations