non public information 和 private information 区别

问题如下：

Which of the following regulations will most likely contribute to market efficiency? Regulatory restrictions on:

选项：

short selling.

foreign traders.

insiders trading with nonpublic information.

解释：

C is correct.

Regulation to restrict unfair use of nonpublic information encourages greater participation in the market, which increases market efficiency. Regulators (e.g., US SEC) discourage illegal insider trading by issuing penalties to violators of their insider trading rules.

考点：Efficient Capital Market And Its Forms

限制内幕交易使得市场参与者能更加公平的进行交易，市场有效性增加。