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All Journal Jurnal Ekonomi Pembangunan: Kajian Masalah Ekonomi dan Pembangunan
Sumantyo, Riwi
Universitas Muhammdaiyah Surakarta
Economics, Econometrics & Finance

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Bank Efficiency Analysis and Stock Return in Indonesia Stock Exchange (IDX) Sumantyo, Riwi; Tresna, Wayan Nur Aziz Tanca
Jurnal Ekonomi Pembangunan: Kajian Masalah Ekonomi dan Pembangunan Vol 18, No 2 (2017): JEP 2017
Publisher : Universitas Muhammdaiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jep.v18i2.3960

Abstract

This study aimed to analyze the efficiency of the banks which are listed in Indonesia Stock Exchange (IDX) and empirically tests the bank effects on the stock returns of each bank. The sample of this study is all banks which are listed in the IDX during the period of 2009 to 2016. Data Envelopment Analysis (DEA) used to measure the bank efficiency in each Decision making units (DMUs), which are obtained as the maximum ratio to know the efficiency level of stock performance by using DEA methods. From the total of 25 banks analyzed, acquired six banks which were always efficient in the period of 2009 to 2016. Moreover, to know the relation between the bank efficiency and the stock return, the regression testing is done by using fixed effect models. The result shows that the bank efficiency of Indonesian banks does not affect their stock return.
The Effect of BI Rate’s Decrease Toward The Market Reaction in Indonesia Stock Exchange (IDX) Sumantyo, Riwi; Anggraeni, Devi
Jurnal Ekonomi Pembangunan: Kajian Masalah Ekonomi dan Pembangunan Vol 17, No 2 (2016): JEP December 2016
Publisher : Universitas Muhammdaiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jep.v17i2.2747

Abstract

This research aims to analyze the market reaction that can be seen from the abnormal return and trading volume of activity against BI rate’s decrease announcement which is the lowest point in 2011. Research methods using paired samples t-test. Data used in this research include the date of announcement of the BI rate which is used as the event date (t0), daily closing share price of companies in a period of observation, LQ-45 index daily, the number of shares traded or daily volume, and the number of shares in circulation or listed share. This research uses 39 companies listed in the LQ 45 Index listed in BEI as samples. Result of this research is the absence of differences of Abnormal Return and Trading Volume of Activity before and after the announcement. The possibility of this situation was caused by the negative sentiment arising due to the debt crisis in Europe that there is never a solution so it affects the psychology of investors un decision-making.
Co-Authors Devi Anggraeni Tresna, Wayan Nur Aziz Tanca