All tests should on ly be directed at marketinefficiency, not market efficiency.
所有的有效性检验只能检验市场无效，而不能证明其已经达到有效。
2
The model in this paper suggests that the dual pricing system and quota on the overall stock market supply represent major forces to marketinefficiency.
该模型的研究表明，双重定价体系以及配额制是导致中国股票市场无效的主要原因。
3
Compared with market mechanisms, securities information regulation is a better mechanism to overcome or relieve information asymmetry and marketinefficiency.