Jurnal Ekonomi Lembaga Layanan Pendidikan Tinggi Wilayah I
Vol. 3 No. 1 (2023): Article Research Volume 3 Issue 1, May 2023

Abnormal Return Analysis of Heatwave Announcement in China Has the Potential to Increase Indonesia's Coal Exports in Bumi and Adro Stocks

Lea Fathra Azha Nabiela (Faculty of Islamic Economic and Business UIN Sunan Kalijaga Yogyakarta)
Lifatin Nada (UIN Sunan Kalijaga Yogyakarta)
Darmawan Darmawan (UIN Sunan Kalijaga Yogyakarta)

Article Info

Publish Date
01 May 2023

Abstract

This study aims to determine the heatwave announcement in China can increase Indonesia's coal export potential. On the abnormal Return on shares of PT Bumi Resource Tbk (BUMI) and PT Adaro Energy Indonesia Tbk (ADRO). The method used to analyze this research is an event study. Hypothesis testing was carried out using normality tests, paired sample t-tests and one-sample T-tests. From the results of this study, it was found that there was no significant abnormal difference in return after the announcement was published. Therefore, the results were obtained that the published announcement did not contain information for investors because there was no abnormal return around the event.

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Journal Info
Jurnal Ekonomi Lembaga Layanan Pendidikan Tinggi Wilayah I
Website

Abbrev

juket

Publisher

Lembaga Layanan Pendidikan Tinggi 1 Wilayah Sumatera Utara

Subject

Economics, Econometrics & Finance Social Sciences

Description

Jurnal Ekonomi LLDIKTI Wilayah I (JUKET) is published by LLDIKTI Wilayah 1 Sumatera Utara. Jurnal Ekonomi LLDIKTI Wilayah I (JUKET) is a biannually periodical publication. Articles submitted will be published every May and November. The mission of the Jurnal Ekonomi LLDIKTI Wilayah I (JUKET) is to ...