The research establishes a differential market theory of exchange of permits of pollution according to the issue, circulation and regulation of stock.

借鉴股票的发行、流通、监管程序，提出排污权交易的层级市场结构理论，并据此对排污权交易进行了系统的研究。

youdao

Therefore, a sound self-regulation mechanism of our Stock Exchange has important practical significance.

因此，健全我国证券交易所的自律监管机制具有重要的现实意义。

youdao

In accordance with regulation, the exchange halted the stock from trading.

FORBES: KKR and Goldman Dump Harman