Choy, Elisa; Gray, Stephen; Ragunathan, Vanitha - In: Accounting and Finance 46 (2006) 5, pp. 755-769
We study the impact credit rating revisions have on stock returns of Australian firms rated by Standard & Poor's and Moody's. Our evidence is consistent with that documented in the USA showing that only downgrades contain price-relevant information. The reaction is most significant when the...