J. - C.  Hung, Liu, H. - C., and Yang, J., ?Does the tail risk index matter in forecasting downside risk??, International Journal of Finance and Economics, pp. 1-16, 2022.

D.  Berger, Pukthuanthong, K., and Yang, J., ?Is the diversification benefit of frontier markets realizable by mean-variance investors? The evidence of investable funds?, Journal of Portfolio Management, vol. 39, pp. 36-48, 2013.