Jorion, Philippe and Zhang, Gaiyan <br/><br/>
Information effects of bond rating changes: the role of the rating prior to the announcement 
 J8285  2007 

 -  2007 
 - 45-59  V.  16  Issue.   4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Finance
<br/><br/><label>Subjects--Index Terms: </label>Bond;Credit ratings;Investment;Stock value