Guanghua Yuan (1965-), born in Hubei Province, Ph.D. candidate of School of Economics and Management, Tsinghua University; Main research field: Management Accounting, Management Control System; Address: School of Economics and Management Tsinghua University, Beijing, P. R. China, Postcode: 100084: Tel: 010-62779904, 13693227780; E-mail: yuangh@em.tsinghua.edu.cn. Zengbiao Yu (1955-), born in Hebei Province, professor, Ph.D. supervisor of School of Economics and Management, Tsinghua University; Main research field: Management Accounting, Management Control System; Address: School of Economics and Management Tsinghua University, Beijing, P. R. China, Postcode: 100084; E-mail: yuzb@em.tsinghaa.edu.cn.