Professor Tang's research interests in the area of financial accounting have been uniquely shaped by his work experience in the debt markets. His background at both Moody’s and MBIA has allowed him to understand the intricacies of credit ratings and the overall bond market. This experience has motivated him to study how regulatory reforms impact rating properties and how various factors may affect rating accuracy. His current projects focus on understanding credit rating informativeness from a theoretical perspective and the determinants of municipal bond costs.