ANALISIS PERBEDAAN PENGUMUMAN LAPORAN AUDITOR "WAJAR DENGAN PENGECUALIAN", TIDE PENGECUALIAN, DAN REPUTASI KAP TERHADAP ABNORMAL RETURN

Abstract

This study aims to analyze the differences ofabnormal returns in surrounding ofqualifiedauditor report's announcement. And then, the study also be expanded by involving other variables, that are types ofqualification andpublic accountingfirms reputation, to know whether there are differences of abnormal returns with the classification ofthat variables. qualified auditor's opinion in audit reports on firm's share prices and abnormal returns are listed in Indonesia Stock Exchange (IDX). By using event study basis, this study is conducted to examine whether or not some information contents in audit reports with qualified opinions. Abnormal returns are used as measures to know as to whether or not the markets can react on the announcements ofauditedfinancial statements Samples ofthis study are companies were listed in Indonesia Stock Exchange (IDX) for the 2003-2007 financial years, which have qualified auditor's opinions on their audit reports. The results ofthe study indicate that there are no differences of cumulative abnormal returns between before and after ofannouncement dates. With the following ofqualification types and public accountingfirms reputation variables also not create differences ofcumulative abnormal returns. Keywords : Auditor reports, qualified auditor's opinion, types of qualification, reputation of public accounting firms, abnormal returns, cumulative abnormal returns.