About the Authors

Yugang Yin

School of Securities and Futures, Southwestern University of Finance and Economics, Sichuan, China

Wei Chen

School of Securities and Futures, Southwestern University of Finance and Economics, Sichuan, China

Fei Yu

School of Securities and Futures, Southwestern University of Finance and Economics, Sichuan, China

Dongju Chen

School of Securities and Futures, Southwestern University of Finance and Economics, Sichuan, China

Corresponding Author

Email: yugang_yin@hotmail.com