@thesis{thesis,
		author={.  Sugiono},
		title ={REAKSI PASAR TERHADAP PENGUMUMAN 
PERUBAHAN BOND RATING (STUDI PADA PERUSAHAAN YANG TERDAFTAR DI BURSA EFEK INDONESIA TAHUN 2010 – 2016)},
		year={2017},
		url={http://eprints.ukmc.ac.id/9113/},
		abstract={This research aims to analyze market reaction to the announcement of 
bond rating change, either upgrade announcement or downgrade announcement. 
Market reaction can be seen on significance abnormal return on the event 
windows. Samples taken by purposive sampling technic and obtained 52 company
which consists of 30 upgrades and 22 downgrades. This research using event 
study as the method to testing the hypothesis. Event period in this research is t-10 
until t+10 with estimation period 100 days. The results of this research is market 
reacted positively on upgrade announcement and react negative on downgrade 
announcement.

Keywords: bond rating, event study, upgrade, downgrade}
		}