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Sinergi International Journal of Economics
Published by YAYASAN SINERGI KAWULA MUDA
ISSN : -     EISSN : 29885604     DOI : https://doi.org/10.61194/economics
Core Subject : Economy,
Economics, Econometrics & Finance
Sinergi International Journal of Economics with ISSN Number 2988-5604 (Online) published by Yayasan Sinergi Kawula Muda, published original scholarly papers across the whole spectrum of economics. The journal attempts to assist in the understanding of the present and potential ability of economics to aid in the recording and interpretation of international economics.
Arjuna Subject : Bisnis, Menejemen, dan Akutansi (semua kategori) - Bisnis, Menejemen, dan Akutansi (Lain-Lain)
Articles 50 Documents
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Boosting GDP through Technology: Exploring the Impact of Digital Inclusion in Indonesia Moch Rifqi Rizal; Hidayatullah, Firda
Sinergi International Journal of Economics Vol. 2 No. 4 (2024): November 2024
Publisher : Yayasan Sinergi Kawula Muda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61194/economics.v2i4.276

Abstract

This research examines the influence of digital inclusion on Indonesia's GDP growth from 2017 to 2022. The study utilizes quantitative panel data analysis, enabling an in-depth investigation of the impact of mobile phone ownership and internet access on GDP, using data sourced from the Indonesian Central Bureau of Statistics (BPS) and other sources. The findings reveal that increased mobile phone ownership significantly enhances GDP, underscoring the role of communication technology in driving economic growth. However, while internet access is essential, it does not demonstrate a significant impact on GDP during the studied period, indicating areas for potential improvement in infrastructure and digital literacy.
Application of Digital Marketing Implementation of Perusahaan Listrik Negara (PLN) Mobile to Improve Customer Service at the Bukittinggi Customer Service Unit Iman Rohmatan; Slamet Widodo
Sinergi International Journal of Economics Vol. 2 No. 4 (2024): November 2024
Publisher : Yayasan Sinergi Kawula Muda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61194/economics.v2i4.200

Abstract

Digital marketing has revolutionised customer service strategies in various industries including in Perusahaan Listrik Negara (PLN), currently PLN is facing a significant transformation towards the digital era, which affects various aspects of operations and services. These changes include the adoption of information and communication technology to improve efficiency in electricity distribution, customer data management, and service delivery. In this digital era, PLN strives to integrate technology solutions to improve the reliability of electricity supply, optimise network management, and provide more responsive services to customers. This can illustrate how PLN's efforts adjust to the challenges and opportunities that exist in the change towards the digital era, in this case PLN has presented a Mobile application in the form of PLN Mobile which aims to personalise interactions with customers, simplify service processes, and increase overall customer satisfaction. This abstract examines the extent to which digital marketing can optimise service and operational efficiency in the context of customer service improvement initiatives at ULP Bukittinggi.
The Impact of Public Figures, Words, and Ads on Esse Cigarette's International Marketing Strategy Lambok Manurung
Sinergi International Journal of Economics Vol. 2 No. 4 (2024): November 2024
Publisher : Yayasan Sinergi Kawula Muda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61194/economics.v2i4.282

Abstract

This study investigates the influence of public figures and word choice in marketing strategies on consumer behavior, particularly in the tobacco industry in Indonesia. Focusing on the Esse cigarette brand by KT&G, the research explores how celebrities and commercial advertising influence consumer perceptions and purchasing decisions. The study addresses the research problem of understanding the combined impact of public figures and language in marketing on consumer behavior, specifically in the context of kretek cigarettes. Using a qualitative approach and an exploratory, descriptive method, data were collected through in-depth interviews with 50 active smokers and ten retail outlets in Jakarta, Surabaya, Medan, and Makassar. Thematic analysis was applied to interpret consumer experiences and perceptions. The results reveal that using personal language in copywriting, emotional taglines, and celebrities as brand ambassadors significantly increases consumer interest and purchasing decisions. Television and social media ads were identified as the most influential media, with a 25% increase in sales following celebrity endorsements. The study concludes that marketing strategies utilizing emotional appeals and public figures effectively enhance consumer engagement and drive sales, particularly in Indonesia’s competitive cigarette market.
The Influence of Environmental Social Governance, Green Investment, and Profitability on Firm Value: Study on the SRI-KEHATI Index (2019-2023) Hasanah , Nurlaila Luthfiyah; Paramita, Veronika Santi
Sinergi International Journal of Economics Vol. 3 No. 1 (2025): February 2025
Publisher : Yayasan Sinergi Kawula Muda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61194/economics.v3i1.408

Abstract

 The purpose of this study is to analyse the factors that affect the value of companies in the SRI-KEHATI index for the 2019-2023 period. Researchers suspect that ESG, GI, and Profitability factors affect the firm's value. The leading indicator used to assess how a firm is performing and valued by investors is the stock price. Stock prices on the SRI-KEHATI index fluctuated from 2019-2023. From 2022 to 2023, the stock price of the SRI-KEHATI index tended to increase in line with public awareness of the environment, but the firm's value in both years decreased. The development of eco-friendly industries has now become a global trend, so companies that have implemented ESG and GI principles are believed to be able to grow and attract the interest of many investors. The quantitative method with descriptive analysis of causality is the method used in this study; the data source is secondary, and the type of data is the panel. The researcher used the purposive sampling technique to determine 15 companies selected as a sample. Researchers analyse the data using quantitative analysis. The findings of the study show that ESG has a negative impact on firm value, GI does not affect firm value, and firm value is positively affected by ROE. Meanwhile, ESG, GI, and ROE simultaneously affect a firm's value.
The Influence of Environmental Social Governance (ESG), Profitability, and Capital Structure on Firm Value in IDX ESG Leaders (2020-2023) Safitri, Ranisa Nur; Paramita, Veronika Santi
Sinergi International Journal of Economics Vol. 3 No. 1 (2025): February 2025
Publisher : Yayasan Sinergi Kawula Muda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61194/economics.v3i1.410

Abstract

This research examines the firm value on the IDX ESG Leaders index, launched in 2020, and reflects businesses prioritizing ESG principles in their operations. The launch of the index comes amid global economic challenges due to the COVID-19 pandemic, making it relevant to explore how companies can maintain value in volatile markets. The value of IDX ESG Leaders companies declined during 2020-2023. The factors causing the drop in valuation for IDX ESG Leader are allegedly ESG, profitability, and capital structure. With increasing attention to sustainability and social responsibility, ESG is becoming essential in investment decisions. A quantitative strategy based on descriptive causality analysis is used in this study. The data utilized in this study is panel data sourced from secondary materials. The research focuses on companies listed on the IDX ESG Leaders index from 2020 to 2023, encompassing 49 companies. A purposive sampling technique was employed to select a sample of 13 companies. Data analysis was conducted using panel data regression. The findings indicate that ESG has a negative impact on firm value, while profitability positively influences firm value. Additionally, capital structure does not significantly affect firm value. Collectively, ESG, profitability, and capital structure do influence firm value. The study concludes that companies should reconsider their strategies in managing ESG, profitability, and capital structure to enhance their value in the eyes of investors, particularly in an increasingly competitive market.
The Necessity and Prospects for the Development of the Life Insurance Market in Uzbekistan Kiyasov, Sherzod Uralovich
Sinergi International Journal of Economics Vol. 3 No. 1 (2025): February 2025
Publisher : Yayasan Sinergi Kawula Muda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61194/economics.v3i1.483

Abstract

This article analyzes the possibilities of ensuring financial protection of the population and attracting long-term investments through the popularization of life insurance. The article also proposes introducing new technologies for life insurance services and developing modern sales instruments. The study studies foreign experiences and analyzes the possibilities of applying these experiences to the conditions of Uzbekistan. The authors, focusing on the social and economic importance of life insurance, substantiate the relevance of digitalization and the introduction of innovative solutions for the development of the industry. At the same time, the article presents recommendations for improving modern insurance marketing strategies and customer service standards.
The Influence of Brand Image, Product Quality, and Service Quality on Kredit Guna Bakti (KGB) Loan Decisions for TNI AD Customers at Bank BJB Cimahi Branch Siska Lesanuari; Paramita, Veronika Santi
Sinergi International Journal of Economics Vol. 3 No. 1 (2025): February 2025
Publisher : Yayasan Sinergi Kawula Muda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61194/economics.v3i1.404

Abstract

The increasing competition in the globalised business era requires all banks to innovate and provide the best services to their customers continuously. This is also felt by Bank BJB Cimahi Branch, which faces the challenge of a decline in interest from Indonesian Army (TNI AD) customers toward the Kredit Guna Bakti (KGB) loan product, despite offering various advantages such as competitive interest rates and quality services. This study aims to analyze the influence of brand image, product quality, and service quality on the credit decisions of Indonesian Army (TNI AD) customers using the Kredit Guna Bakti (KGB) facility at Bank BJB Cimahi Branch. Using a quantitative approach and random sampling method, data from 78 respondents were analyzed through multiple linear regression tests. The results show that brand image, product quality, and service quality positively and significantly impact credit decisions both individually and simultaneously. These findings emphasize the importance of strengthening brand image, product innovation, and improving service quality in influencing customer decisions. This study provides practical contributions to Bank BJB in designing more effective marketing and service strategies to increase customer interest in the KGB facility.
Income Taxation and Labor Supply: A Narrative Review of International Findings with Focus on High-Income Economies Yolifiandri; Lestari, Putri Ayu; Nasrulloh, Ubaid Fandi
Sinergi International Journal of Economics Vol. 2 No. 4 (2024): November 2024
Publisher : Yayasan Sinergi Kawula Muda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61194/economics.v2i4.641

Abstract

This narrative review investigates the impact of income taxation on labor supply across diverse demographic and economic contexts. The study aims to synthesize empirical findings and theoretical insights regarding how tax policy structures influence labor participation. A narrative review methodology was employed, drawing on peer-reviewed literature sourced from Scopus and Google Scholar, guided by targeted keyword strategies and strict inclusion criteria. The review examined studies on tax progressivity, informality, gender disparities, and institutional influences affecting labor supply. Key findings indicate that income taxation exerts complex and varied effects on labor supply. Gendered responses to tax structures, especially under joint taxation regimes, tend to suppress female participation, while separate filing systems improve equity and engagement. Informal labor markets expand when tax compliance is burdensome or perceived as unfair, particularly in developing economies with weak institutional trust. Meanwhile, higher marginal tax rates diminish labor effort among high-income earners, underscoring the importance of balanced progressivity. The review concludes that effective tax policy requires behavioral, institutional, and demographic sensitivity. Tailored reforms can enhance labor market participation and revenue generation without compromising equity. Future research should focus on underexplored regions and emerging labor sectors to guide adaptive, inclusive tax system design for sustainable development.
Tax Revenue and Economic Growth in Developing Countries: A Narrative Synthesis of Empirical Evidence Sekianti, Atik; Nuraini, Fariha
Sinergi International Journal of Economics Vol. 3 No. 1 (2025): February 2025
Publisher : Yayasan Sinergi Kawula Muda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61194/economics.v3i1.643

Abstract

This study explores the intricate relationship between tax revenue and economic growth in developing countries, aiming to evaluate how various tax structures influence economic outcomes. Employing a narrative review methodology, literature was sourced from databases such as Scopus and Google Scholar using a targeted set of keywords. Inclusion criteria focused on peer-reviewed empirical studies from the last two decades examining taxation, fiscal policy, and growth. Findings reveal that oil tax revenues can bolster short-term fiscal capacity but often introduce volatility tied to global price fluctuations. In contrast, non-oil taxes provide a more stable basis for sustained economic development. The review identifies a long-term correlation between tax revenue volatility and GDP instability, highlighting the critical role of institutional quality and administrative efficiency. Comparative studies show that G7 countries benefit from structured fiscal systems, while many developing countries struggle with inefficiencies, non-compliance, and narrow tax bases. Discussion points emphasize systemic barriers such as weak governance, informal economies, and low tax morale. Recommended reforms include administrative modernization, digitalization, and expanding the tax net to the informal sector. Ultimately, the study underscores that tax policy effectiveness hinges on contextual alignment with institutional capacities and socio-economic realities. Future research should address micro-level behaviors and long-term effects of taxation to enhance fiscal policy design.
Enhancing Public Sector Outcomes through Fiscal Reform Strategies in Developing Countries Setiadi; Wijayanti, Dian; Siswanti, Tutik
Sinergi International Journal of Economics Vol. 3 No. 2 (2025): May 2025
Publisher : Yayasan Sinergi Kawula Muda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61194/economics.v3i2.644

Abstract

Tax policy reforms have emerged as a crucial tool for enhancing public sector performance in developing countries. This study aims to synthesize recent literature on the relationship between fiscal reforms and public service outcomes. Using a narrative review methodology, we collected and analyzed peer-reviewed studies from Scopus, Web of Science, and JSTOR. Keyword-based searches and defined inclusion criteria ensured relevance and quality in the selection process. The review reveals that strategic tax reforms can significantly improve revenue generation, promote equity, and enhance public service delivery. Key themes identified include the impact of tax policy on domestic resource mobilization, the role of tax incentives in shaping public spending priorities, and the importance of institutional capacity in sustaining reforms. Evidence from countries such as Rwanda, Colombia, and Indonesia demonstrates that aligning tax strategies with governance improvements can yield measurable benefits. However, systemic challenges such as weak institutions, political instability, and limited administrative capacity persist, constraining reform effectiveness. The findings suggest that future research should incorporate mixed-methods approaches and focus on underrepresented regions and qualitative dimensions of reform. Policymakers are encouraged to adopt adaptive, inclusive, and transparent fiscal strategies tailored to local contexts. By doing so, tax reforms can serve as powerful levers for promoting equitable growth and efficient public sector performance in the face of evolving global challenges.

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