The non-liquid stock is the unique innovation in our stock market. I. Although its exist is absolutely essential in this period, the non-liquid stock is becoming the obstacle which stops the further progress of the security market. This thesis aims at the representative part of the non-liquid stock ?the national stock in the listed company, and studies how to realize its liquidity. The proceeding of the paper is as follow. Firstly, analyze the models can we achieve the best effects. |