<03443237X> . . "172bc545b7ab5661aefb3cf7b67ee640" . . . "Rating changes stock prices"@en . "Jerome Hubler" . "Jerome" . "Systematic risk"@en . "Specific risk"@en . . "DVR methodology"@en . "Hubler" . "G14"@en . "Rating agencies"@en . "Event study JEL Classification G1"@en .