We analyze five popular smart beta indices with a simple two risk-factor framework. Our analysis shows that majority of the return variations of these five smart beta indices can be explained by S&P 500 and Barclays Treasury index. We also demonstrate that the diversification effect is limited...

Liquidity has long been a great interest to investment professionals as well as academic researchers. The estimation of illiquidity premium for infrequently traded asset classes, such as real estate and private equity, presents a challenge to the industry because of opaque information and...

A controlled clinical trial was conducted to investigate the efficacy effect of a chemical compound in the treatment of Premenstrual Dysphoric Disorder (PMDD). The data from the trial showed a non-monotone pattern of missing data and an ante-dependence covariance structure. A new analytical...

A new statistical procedure for testing normality is proposed. The Q statistic is derived as the ratio of two linear combinations of the ordered random observations. The coefficients of the linear combinations are utilizing the expected values of the order statistics from the standard normal...

Fractional Ornstein–Uhlenbeck process is an extended model of the traditional Ornstein–Uhlenbeck process that provides some useful models for many physical and financial phenomena demonstrating long-range dependencies. Obviously, if some phenomenon can be modeled by fractional...