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TRANSACTION COSTS IN INDONESIA STOCK MARKET: A STUDY IN THE AUTOMATION PERIOD Mamduh M. Hanafi
Jurnal Keuangan dan Perbankan Vol 19, No 1 (2015): January 2015
Publisher : University of Merdeka Malang

We studied transaction costs in Indonesia market extended closely by Bonser-Neal et al. (1999). They investigatedtransaction costs in Jakarta Stock Exchange (JSX) using period before automation (May 1995). To matchclosely with Bonser-Neal et al. (1999), we used period right after JSX introduced trading automation (JATS orJakarta Automated Trading System). We used period from May 1995 to March 2003. We found that transactioncosts in the automation period were larger than those reported by Bonser-Neal et al. (1999). Automationdid not seem to automatically reduce transaction costs as expected. We found that domestic investors had largerprice impact than foreign investors. Similar to previous finding, we found that trade difficulty had a positiveeffect on price impacts. We also found transaction costs in crisis period were larger than those in normal period.We also found that size had a negative relationship with price impacts. Our paper provided evidence of thetransaction costs in Indonesia market after the automated trading was introduced in Indonesia market.

The optimal cash holdings speed of adjustment and firm value: An empirical study in Indonesia Heru Kristanto Hendro Cahyono; Mamduh M Hanafi; Bowo Setiyono
Jurnal Keuangan dan Perbankan Vol 23, No 2 (2019): April 2019
Publisher : University of Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/jkdp.v23i2.2604

This study employs two models of the speed of cash holdings adjustment to measure the effect of cash management on firm value, they are the deviation standard cash holding model and partial speed of adjustment model. Using sampling companies from Indonesia during 2001-2017, the study employs some techniques of regression for dynamic panel data with fixed effects, the pooled ordinary least square with fixed effects, and regression moderated analysis. Research findings show that: first, the deviation standard cash holding and partial speed of adjustment affect firm value; second, by using the deviation standard cash holding model, it shows that managerial ownership, institutional ownership, investment and debt moderate the effect of the deviation standard cash holding on firm value; third, by using the partial speed of adjustment model, it shows that investment moderates the effect of partial speed of adjustment on firm value. The implications of the study are to explain two speed of cash holding adjustment models and their impacts on the increasing trend of firm value.JEL Classification: C33, G31, G34DOI: https://doi.org/10.26905/jkdp.v23i2.2604

High-Frequency Trading Activities and Brokerage Firms Effect : Empirical Evidence From the Indonesia Stock Exchange Barsiano, Redik; Hanafi, Mamduh Mahmadah; Arief, Usman
Indonesian Capital Market Review Vol. 11, No. 1
Publisher : UI Scholars Hub

Show Abstract | Download Original | Original Source | Check in Google Scholar

This research studies the trading activity of type of traders through their brokers. Order imbalance is believed to be a better proxy for explaining trading activity. This paper presents some empirical test that on brokerage level analysis exhibit information paradigm in Indonesia which market makers and specialist are not available. We divide imbalances into groups of samples (all stocks and most liquid stocks), trader type (foreign or domestic) and size of brokerage firm (small to big). Our results show that order imbalances generally have a positive serial correlation for all the traders and brokers analyzed. However, we find that the determinant of order imbalances is a particular phenomenon at the brokerage level, whose results differ from our market-wide analysis. We do not find that previous order imbalances can predict market returns across trader type and brokerage class. In contrast, for the inventory paradigm, the evidence from the brokerage level analysis indicates that information dissemination is induced order imbalance by brokerage house.

Does Institutional Quality Matter in the Relationship Between Competition and Bank Stability? Evidence from Asia Muizzuddin Muizzuddin; Eduardus Tandelilin; Mamduh Mahmadah Hanafi; Bowo Setiyono
Journal of Indonesian Economy and Business Vol 36 No 3 (2021): September
Publisher : Faculty of Economics and Business, Universitas Gadjah Mada

Introduction/Main Objectives: This study aims to investigate whether competition impacts bank stability. Furthermore, the study also analyzes the role of institutional quality in a country, such as voice and accountability, political stability, government effectiveness, regulatory quality, the rule of law, and control of corruption, forming the effect of competition on bank stability. Background Problem: Analysis of the relationship between competition and bank stability has been at the center of academic and policy debate. However, the theoretical and empirical research has not concluded whether bank competition leads to more or fewer stable banks. Novelty: We consider institutional quality's role in mitigating the negative impact of competition on bank stability, which has mainly been under-elaborated in prior studies, particularly in using measures from The World Bank’s Worldwide Governance Indicators, which measure how the institutions of each country influence bankers’ and the people's behavior, as part of the cultural system. Research Methods: Using a sample of 427 Asian commercial banks from 2011 to 2019, we employ the generalized method of moments (GMM) estimator and consider loan growth and the cost to income ratio as instrumental variables. Findings/Results: We find robust evidence that competition erodes bank stability. Besides, better institutional quality, especially government effectiveness, regulatory quality, the rule of law, and corruption control in each country are important aspects that promote bank stability and mitigate the negative impact of competition on bank stability. Conclusion: Competition has a negative impact on bank stability. Meanwhile, the quality of institutions can both promote bank stability and mitigate this negative relationship.

A LITERATURE REVIEW OF UPDATED ISLAMIC CORPORATE GOVERNANCE ELEMENTS: IMPLICATIONS FOR INDONESIA Lestari, Irna Puji; Hanafi, Mamduh Mahmadah; Wardhana, Leo Indra
Journal of Islamic Monetary Economics and Finance Vol 11 No 1 (2025)
Publisher : Bank Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21098/jimf.v11i1.2305

This study identifies elements of Islamic Corporate Governance (ICG) that contribute to the performance of shariah-compliant firms. A systematic literature review is carried out on 173 relevant articles from the Scopus database, spanning from 2004 to 2024. It identifies five key elements of ICG: (1) Shariah board governance, (2) management and board governance, (3) audit and risk governance, (4) sustainable governance, and (5) Muslim management and board governance. These key elements encompass various sub-elements that have diverse impacts on firm performance across financial, social, and environmental dimensions. The findings offer specific implications for Indonesia, emphasizing the integration of sustainability practices into corporate governance mechanisms and considering distinct approaches to ICG mechanisms for dual-sector performance between Islamic Financial Institutions (IFIs) and non-IFIs. ACKNOWLEDGEMENT The paper is supported by sponsorship from the Indonesia Endowment Fund for Education (LPDP), whose sponsorship has played a crucial role in facilitating the research process. The authors deeply appreciate this support and are grateful for the opportunities it has provided. The authors also gratefully acknowledge the valuable comments provided by the journal's editors and reviewers.

A LITERATURE REVIEW OF UPDATED ISLAMIC CORPORATE GOVERNANCE ELEMENTS: IMPLICATIONS FOR INDONESIA Lestari, Irna Puji; Hanafi, Mamduh Mahmadah; Wardhana, Leo Indra
Journal of Islamic Monetary Economics and Finance Vol. 11 No. 1 (2025)
Publisher : Bank Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21098/jimf.v11i1.2305

This study identifies elements of Islamic Corporate Governance (ICG) that contribute to the performance of shariah-compliant firms. A systematic literature review is carried out on 173 relevant articles from the Scopus database, spanning from 2004 to 2024. It identifies five key elements of ICG: (1) Shariah board governance, (2) management and board governance, (3) audit and risk governance, (4) sustainable governance, and (5) Muslim management and board governance. These key elements encompass various sub-elements that have diverse impacts on firm performance across financial, social, and environmental dimensions. The findings offer specific implications for Indonesia, emphasizing the integration of sustainability practices into corporate governance mechanisms and considering distinct approaches to ICG mechanisms for dual-sector performance between Islamic Financial Institutions (IFIs) and non-IFIs. ACKNOWLEDGEMENT The paper is supported by sponsorship from the Indonesia Endowment Fund for Education (LPDP), whose sponsorship has played a crucial role in facilitating the research process. The authors deeply appreciate this support and are grateful for the opportunities it has provided. The authors also gratefully acknowledge the valuable comments provided by the journal's editors and reviewers.

The Effect of Intellectual Capital towards Firm Performance and Risk with Board Diversity as a Moderating Variable: Study in ASEAN Banking Firms Innayah, Maulida Nurul; Pratama, Bima Cinintya; Hanafi, Mamduh Mahmadah
JDM (Jurnal Dinamika Manajemen) Vol 11, No 1 (2020): March 2020
Publisher : Department of Management, Faculty of Economics and Business, Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jdm.v11i1.21487

This paper finds out the impact of intellectual capital on firm performance and risk. Moreover, this paper also examines whether the board diversity in terms of gender and nationality can strengthen the effect of intellectual capital towards firm performance and risk that operates in banking industries in ASEAN. The data in this study obtained from Bloomberg and OSIRIS database and also the firmâ€™s annual reports over the period of 2012-2016 (375 observations) and conducted in ASEAN countries, namely Indonesia, Philippines, Malaysia, Singapore, and Thailand. The results find that the efficient and effective use of intellectual capital will make the firms achieved higher performance. Meanwhile, intellectual capital can help reduce credit risk. In the interaction effect, the result is consistent with social psychology theory and shows that the presence of board diversity actually reduces firm performance and increases risk.

Analysis of IPO Underpricing Fluctuation: Empirical Study in Indonesia Stock Exchange Hanafi, Mamduh M.
JDM (Jurnal Dinamika Manajemen) Vol 7, No 2 (2016): September 2016
Publisher : Department of Management, Faculty of Economics and Business, Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jdm.v7i2.8197

This study attempts to analyze fluctuation of IPO underpricing in Indonesia market from 1990-2010. This research test three proposed hypotheses: changing risk composition, changing incentives alignment, and changing issuers objective function. The researcher also add other variables as potential explanation for underpricing fluctuation: introduction of book building mechanism in year 2000, industry (finance and non-finance), market return, and privatization (IPO of state owned companies and non-state owned companies). The analysis shows that market return and the introduction of book building mechanism have positive impact on underpricing. However, when both variables in regression equation are included, the effect of market return disappears, while the effect of book building mechanism persists. This finding seems to support Book Building advantage arguments and changing issuers objective functions hypothesis, in the sense that the introduction of book building mechanism changes objective function of parties involved. Final result is a change in IPO under pricing.

SUSTAINABILITY-BASED ISLAMIC CORPORATE GOVERNANCE AND ISLAMIC BANKS’ MULTI-PERFORMANCE: EVIDENCE FROM INDONESIA Lestari, Irna Puji; Hanafi, Mamduh Mahmadah; Wardhana, Leo Indra
Journal of Islamic Monetary Economics and Finance Vol. 11 No. 4 (2025)
Publisher : Bank Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21098/jimf.v11i4.2927

This study develops a Sustainability-based Islamic Corporate Governance (SICG) index that integrates the roles of the Shariah board, regular board, and sustainable board and examines how it impacts multi-dimensional performance of Islamic banks. It employs a sample of 15 Islamic commercial banks in Indonesia from 2010 to 2023. The findings reveal that governance elements have a positive impact on particularly financial performance, while its influence on social performance is limited. For environmental and sustainability performance, a positive impact is primarily observed in the roles of the regular and sustainable boards. Further analysis through the Paris Agreement interaction confirms that most of these findings are consistent and support the role of SICG in enhancing various performances of Islamic banks. These results highlight the need for Islamic banks in Indonesia to transition toward SICG and suggest that policymakers facilitate this transformation by developing relevant regulations and guidelines to align governance structures with broader sustainability objectives.

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