Jushan Bai

economist (Columbia University)

Jushan Bai (born ca. 1957) an American economist, and Professor of Economics at Columbia University and Dean of School of Finance at Nankai University, China.


  • Central to both the theoretical and the empirical validity of factor models is the correct specification of the number of factors.
    • Jushan Bai and Serena Ng. "Determining the number of factors in approximate factor models." Econometrica 70.1 (2002): 191-221.