Investigation of the Association between Z Altmans Bankruptcy Index and Auditor Change

In this paper, we examine relation between Z’Altmans Bankruptcy Index and Auditor Change over a 7- period in 56 firms in Tehran Stock Exchange. We report evidence that auditor change and Z’Altmans Bankruptcy Index and it’s variables have not a positive relation. There is also no relation between auditor change and firm size in study sample. But we found a positive relation between auditor change and firms leverage, qualified audit opinions and ownership change. Our findings contribute to the literature on Determinants of Auditor Change and they implicate that the auditor change factors are likely non- quantitative Factors such as change of ownership.