Mark (Shuai) Ma

About me:


Assistant professor
American University

Ph.D.  in Accounting          2009 – 2014               
University of Oklahoma

B.B.A. in Accounting          2005 – 2009              

Beijing Normal University


This website provides information about
1) My
Curriculum Vitae .
2) SAS code that could be used to obtain two-way cluster-robust standard errors, SAS CODE Available Here .
3) A research note on finite-sample estimates of
two-way cluster-robust standard errors. Note Available Here. My note would be helpful, if you want to understand what you really get from your SAS or STATA codes (no matter whether you use my code or other professors' codes).