“…Many research about good governance have been carried out from local government level (Lastiar Hutapea & Widyaningsih, 2017), (Napitupulu, Hakim, & Noor, 2016), (Utoyo, 2017), (Sasundame, Tulusan, & Kalangi, 2016) and (Parapat & Yuliani, 2017) to village level (Maria Fransisca Vina Febriani Manaan, 2017), (Astuti & Yulianto, 2016), (Rustiarini, 2016), (Futra, 2016), (Richardo Juniaster Tampubolon, 2014), and (Dungga et al, 2014), event NGO level (Kanagaretnam, Lobo, & Whalen, 2007). We examine the relationship between the quality of corporate governance and information asymmetry in the equity market around quarterly earnings announcements.…”