Chen, Yan-Shing; Ho, Po-Hsin; Lin, Chih-Yung; Tsai, Wei-Che - In: Applied Financial Economics 22 (2012) 12, pp. 977-988
This study applies recurrent event analysis to examine the determinants of changes in firm credit ratings. This study uses two extended Cox proportional hazard models to examine upgrade and downgrade data separately. Explanatory variables are taken from financial ratios in Z-score (Altman, 1968)...