Ann Ling-Ching Chan, Audrey Wen-hsin Hsu and Edward Lee, ‘Does mandatory IFRS adoption affect the credit ratings of foreign firms cross-listed in the US?’ look at the effect of mandatory IFRS adoption on the credit ratings of foreign firms cross-listed in the US. The sample is 145 firms (19% non-EU) from 20 countries (five non-EU). The period covered is 2003–2007. US firms and cross-listed firms from other non-IFRS countries provide control samples.