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Quantitative Economics and Management Studies
Published by PT. Mattawang Mediatama Solution
ISSN : -     EISSN : 27226247     DOI : https://doi.org/10.35877/qems
Core Subject : Economy, Science, Education,
Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Mathematics
Journal of Quantitative Economics and Management Studies (QEMS) is an international peer-reviewed open-access journal dedicated to interchange for the results of high-quality research in all aspects of economics, management, business, finance, marketing, accounting. The journal publishes state-of-art papers in fundamental theory, experiments, and simulation, as well as applications, with a systematic proposed method, sufficient review on previous works, expanded discussion, and concise conclusion. As our commitment to the advancement of science and technology, the QEMS follows the open access policy that allows the published articles freely available online without any subscription.
Arjuna Subject : Ilmu Ekonomi, Ekonometrika dan Keuangan (semua kategori) - Ilmu Ekomomi dan Ekonometrika
Articles 16 Documents
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Search results for , issue "Vol. 6 No. 3 (2025)" : 16 Documents clear
Blue Economy Financing: Sustainable Aquaculture in Indonesia Lestari, Dhoya Safira Tresna; Purwanto, Setiyo
Quantitative Economics and Management Studies Vol. 6 No. 3 (2025)
Publisher : PT Mattawang Mediatama Solution

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35877/454RI.qems3991

Abstract

The aquaculture sector is a strategic component in Indonesia's marine development, but its sustainability faces serious challenges such as environmental degradation, limited access to finance, and low adoption of environmentally friendly practices. This study aims to analyze the influence of Blue Economy Financing (BEF) on Sustainable Aquaculture (SA), considering the mediating role of environmental, social and governance (ESG) factors. The study uses an explanatory quantitative approach using the Partial Least Squares–Structural Equation Modelling (PLS-SEM) method, based on sample data of 120 seaweed farmers in the coastal area of South Sulawesi. The results of this study show that BEF strongly supports the sustainability of sustainable aquaculture. However, ESG mediation has no effect on increasing the role of BEP in the development of SA. Although the model has adequate predictive capabilities for sustainability, the influence of BEF on ESG is not strong enough to explain and convince the public, investors and the government for the development of SA. To optimize the role of ESG as a catalyst for sustainability, supporting strategies such as institutional strengthening, technological innovation, and integrated policy interventions are needed. This research confirms that BEF is an important instrument in encouraging sustainability transformation in the aquaculture sector. These findings provide practical implications for the development of a more adaptive blue financing scheme in supporting Indonesia's sustainable marine development agenda.
Does AI Sentiment Affect Stock Returns? Evidence from Indonesia’s Banking Sector Junanta, Geryan; Rokhim, Rofikoh
Quantitative Economics and Management Studies Vol. 6 No. 3 (2025)
Publisher : PT Mattawang Mediatama Solution

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35877/454RI.qems3995

Abstract

This study investigates the heterogeneous effects of AI-related investor sentiment on the stock returns of Indonesian banks. Using a correlation-weighted AI Sentiment Index (AI-SVI) derived from Google Trends, panel regressions reveal that only fintech-driven banks show significant responsiveness to AI sentiment, while conventional, independent digital, and conglomerate-backed banks do not. These findings are supported by a supplementary investor perception survey, which confirms that market participants associate visible and strategic AI adoption primarily with fintech institutions. The results suggest that AI sentiment can act as a behavioral signal of valuation in emerging financial markets, but its effectiveness depends on how innovation is perceived and communicated. Policymakers and investors should be cautious in interpreting sentiment-driven movements, especially in sectors with uneven technological maturity.
Impact Twitter (X) Sentiment to Abnormal Return IDX30 Stocks Elli, Farras Ghazyafi
Quantitative Economics and Management Studies Vol. 6 No. 3 (2025)
Publisher : PT Mattawang Mediatama Solution

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35877/454RI.qems4003

Abstract

Abnormal return serves as evidence of investors’ irrational behavior in response to unexpected or dramatic information. Such irrational behavior can be reflected in sentiments expressed on social media platforms such as Twitter (X). Recently, we revealed that sentiments expressed on Twitter (X) could influence stocks return rate. In this study, to analyze the effect of sentiment on Twitter (X) on stock price returns, we observed Twitter (X) sentiment and abnormal returns on IDX30 stocks. This research employs secondary data comprising 23,406 tweets related to 30 IDX30-listed stocks during the observation period fom July 2023 to December 2023. The secondary data were processed into sentiment scores and analyzed using Granger causality to examine the predictive ability of sentiment polarity on abnormal returns of IDX30 stocks. The results show that 5 out of 8 listed companies, that have causal relationship betweet positive sentiment and abnormal return, shows positive evaluation Granger Cause abnormal return. It indicated that positive sentiment could predict the abnormal return. Otherwise, 4 out 11 listed companies, that have causal relationship between negative sentiment and abnormal return, shows negative evaluation Granger Cause abnormal return. It indicated that negative sentiment is driven by abnormal returns. This research contributes to a better understanding of the Efficient Market Hypothesis in the Indonesia Stock Exchange and provides recommendation for improving the prediction of abnormal returns in the market through sentiment polarity analysis.
Analysis of Corporate Tax Turnover Ratio as an Indicator of Taxpayer Compliance Level Putra, Rizki Pratama; Santioso, Linda
Quantitative Economics and Management Studies Vol. 6 No. 3 (2025)
Publisher : PT Mattawang Mediatama Solution

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35877/454RI.qems4057

Abstract

This research focuses on assessing tax potential from the aspect of calculating tax ratios, namely CTTOR, GPM, and NPM as one of the indicator tools to explore taxpayer potential in mapping the risk of non-compliance. This research method uses a descriptive type of research with a quantitative analysis approach. The research technique in data collection uses secondary data, namely audited financial reports obtained from the IDX. The analysis tool uses CTTOR, GPM, and NPM by comparing the tax ratios set from the Directorate General of Taxes. The sample of this study is 3 corporate taxpayers engaged in the animal feed sub-sector. The results of this research show that the average values of CTTOR, GPM, NPM in 2022 are 0.69%, 12.09%, and 2.81% while the DGT benchmark is 2.42%, 16.89%, and 4.78% with a difference of 1.73%, 4.8% and 1.97%. Then the average values of CTTOR, GPM, and NPM in 2023 are 0.71%, 11.99%, and 2.04% with a difference of 1.71%, 4.9% and 2.7% on the DGT benchmark. So it can be concluded from the aspects of CTTOR, GPM, and NPM that the level of corporate tax compliance in the animal feed sub-sector is still below the standards set by the DGT. A significant difference that shows the potential for taxes that have not been explored optimally.
Value Creation in Nigerian Listed Consumer Goods Firms through Entrepreneurial Cash Management Muojekwu, Hilary Onyebuchi; Ochuka, Chekwube Esther; Nworie, Gilbert Ogechukwu
Quantitative Economics and Management Studies Vol. 6 No. 3 (2025)
Publisher : PT Mattawang Mediatama Solution

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35877/454RI.qems4059

Abstract

Firms that fail to embrace entrepreneurial cash management often miss critical growth opportunities, underperform in volatile markets, and struggle to meet investor expectations for long-term value. In Nigeria’s challenging financial environment, overreliance on traditional cash management undermines agility, innovation, and financial resilience, leaving listed consumer goods firms vulnerable to stagnation, competitive decline, and underperformance in the capital market unless they adopt entrepreneurial approaches to managing cash as a strategic asset. This study is therefore necessitated by the need to examine how entrepreneurial cash management (proxy by cash level of firm) on corporate value creation (proxy by firm value-added) in Nigerian consumer goods sector. Ex-post facto research design was deployed on a population of 20 listed consumer goods firms. Purposive sampling was used to select a sample size of 15 firms. Secondary data were gleaned from the annual reports of the firms over a ten year period (2015-2024). In addition to descriptive analysis and other model diagnostics, the hypothesis was tested using panel estimated generalised least squares. The finding revealed that entrepreneurial cash management (indexed by cash level of firm) has a significant positive effect on corporate value creation (indexed by firm value-added) in Nigerian consumer goods sector (β = 0.564707, p = 0.0000). In conclusion, in an environment characterized by fluctuating macroeconomic indicators, high financing costs, and market volatility, internally generated liquidity emerges as a vital entrepreneurial asset that enables firms to create sustainable economic value. The study recommends that Chief Financial Officers (CFOs) of need to institutionalize entrepreneurial cash management systems that emphasize strategic liquidity optimization as a deliberate value-creation mechanism by adopting dynamic cash flow forecasting tools, scenario analysis, and contingency planning frameworks that are proactive and data-driven.
Can we participate in global value chains in the dark? An empirical study in Africa Sikadi, Djamila Piameu; Oumbe, Honoré Tekam; Moteng, Ghislain; Kengne, Arnold Foko
Quantitative Economics and Management Studies Vol. 6 No. 3 (2025)
Publisher : PT Mattawang Mediatama Solution

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35877/454RI.qems4095

Abstract

This study analyses the effect of electricity access on participation in global value chains (GVCs) in 41 African countries between 1990 and 2018. By mobilizing static (fixed effects) and dynamic (two-stage GMM) panel methods, the results show that better access to electricity significantly favours integration into GVCs. The effect remains robust to different measures of electrification and GVC participation. The results also highlight that disparities in access to electricity between urban and rural areas can reinforce unequal integration into global value chains, and that participation is largely determined by the use of fossil fuels. Based on these findings, the study recommends investing in inclusive and sustainable electrification, particularly in rural and industrial areas, and establishing green regulatory frameworks to encourage the adoption of cleaner energies.

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