三、历代经纪人制度据《周礼·地官·质人》记述可知，中国历史上最早的经纪人制度实行的是官牙制，由“质人”对市场中的各种交易强行进行居间管理，逐项发放质剂为凭。其中，成交的奴婢、牲畜等大宗生意采用长券，称“质”；兵器等小宗生意采用短券，即“剂”。质剂为竹木制 Third, the history of the broker system According to “Zhou Di · officer · pledgor” shows that the earliest in China’s history broker system is the implementation of the official system, by the “pledges” on the market forcibly carried out various transactions Management, one by one issued by the quality agent. Among them, the deal slaves, livestock and other bulk business using long coupons, saying “quality”; weapons and other small business using short coupons, that is, “agent.” The quality agent is bamboo wood