given no dividend, this paper also performs an empirical research on its forecast effect, which is decided by the precision of estimated expected yield and changeability.
研究表明,伊藤过程的预测效果决定于对总体预期收益率和易变性参数的估计。
there exist leverage effect and information asymmetry in chinese stock market. and the expected yield and risk have some positive relationship.
市场杠桿效应显着,期望收益与期望风险之间存在正向关系,且股市波动具有信息不对称性。
according to statistics, the week before the spring festival holiday, the average annualized yield rate of the bank issued rmb products with closed-end expected yield rate was 4.18%.