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All Journal EKOMBIS REVIEW: Jurnal Ilmiah Ekonomi dan Bisnis Al Qalam: Jurnal Ilmiah Keagamaan dan Kemasyarakatan IKRA-ITH EKONOMIKA Jurnal Telematika Majalah Ilmiah Bijak Journal of Economics and Business UBS International Journal of Environmental, Sustainability, and Social Science Devotion: Journal of Research and Community Service International Journal of Social Service and Research Indo-MathEdu Intellectuals Journal Indonesian Journal of Multidisciplinary Science Journal Of World Science Jurnal Locus Penelitian dan Pengabdian Journal of Management Studies and Development Journal Research of Social Science, Economics, and Management Cerdika: Jurnal Ilmiah Indonesia Eduvest - Journal of Universal Studies Jurnal Ekonomi, Teknologi dan Bisnis Amkop Management Accounting Review (AMAR) IIJSE
Sibarani, Mentiana
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Aerospace Engineering Humanities Astronomy Automotive Engineering Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Mechanical Engineering Neuroscience Public Health Social Sciences Other

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The Influence of Brand Image, Product Innovation, and Social Media Marketing Activities on Iphone Purchasing Decisions In Jakarta Ponikasari, Ponikasari; Sibarani, Mentiana
Journal Research of Social Science, Economics, and Management Vol. 4 No. 5 (2024): Journal Research of Social Science, Economics, and Management
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/jrssem.v4i5.757

Abstract

This study aims to analyze the influence of brand image, product innovation and social media marketing activities on iPhone purchasing decisions in DKI Jakarta. This study is included in quantitative research. The population in this study were former iPhone users in DKI Jakarta who are currently or have used iPhone cellphones. The number of samples using the Cochran formula so that 100 respondents were obtained. The analysis method used is multiple linear regression. The results of the study show that brand image has a significant effect on iPhone purchasing decisions in DKI Jakarta, product innovation has a significant effect on iPhone purchasing decisions in DKI Jakarta, and social media marketing activities have a significant effect on iPhone purchasing decisions. Then, brand image, product innovation and social media marketing activities simultaneously (together) have a significant effect on iPhone purchasing decisions in DKI Jakarta. It is recommended that Apple can utilize platforms such as Instagram and TikTok to display user stories that illustrate how the iPhone supports their lifestyle. Local content that is tailored to trends in Jakarta, such as sustainability issues or urban productivity needs, can also increase appeal.
Analisis RASIO ROA, ROE, NPM, DER dan LDR Terhadap Harga Saham BNI (BBNI) Pada Tahun 2019-2023 Nawasari, Nawasari; Sibarani, Mentiana
Cerdika: Jurnal Ilmiah Indonesia Vol. 5 No. 9 (2025): Cerdika: Jurnal Ilmiah Indonesia
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/cerdika.v5i9.2742

Abstract

This study aims to analyze the impact ratios on the stock price of BNI (BBNI) during the 2019-2023 period. The ratios examined include Return on Assets (ROA), Return on Equity (ROE), and Net Profit Margin (NPM) as profitability indicators Debt to Equity Ratio (DER) as a solvency indicator and Loan to Deposit Ratio (LDR) as a liquidity indicator. The observed phenomenon is the dynamic interaction between BNI's fundamental performance and market perception and reaction, especially amidst global and domestic economic volatility, including the COVID-19 pandemic. It is expected that an increase in ROA, ROE, and NPM will positively correlate with an increase in stock price, reflecting the bank's efficiency and profitability, which are attractive to investors. Conversely, a controlled or decreasing DER and a strong LDR are expected to strengthen investor confidence in BNI's financial health, thereby supporting stock price stability or appreciation. This study provides empirical evidence that Net Profit Margin (NPM), Debt to Equity Ratio (DER), and Loan to Deposit Ratio (LDR) individually exert a significant influence on the stock price of stock price BNI (BBNI). Conversely, Return On Asset (ROA) and Return On Equity (ROE) were found to have no significant partial effect on BBNI's stock price during the same period. However, when tested simultaneously, all five vvariabels ROA, ROE, NPM, DER, and LDR collectively demonstrate a significant impact on BBNI's stock price for the period of 2019-2023.
The Impact of Marketing Mix Variables upon The Repurchase Intention of Customers in Mixue Tangerang City, Indonesia Tarigan, Joshua Michael Servilo; Sibarani, Mentiana; Silitonga, Roland Y. H.
Journal of Management Studies and Development Vol. 3 No. 03 (2024): Journal of Management Studies and Development
Publisher : The Indonesian Institute of Science and Technology Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56741/jmsd.v3i03.677

Abstract

The franchise industry is one of the most prominent businesses in 2024, where Mixue is one of such brands that dominate the F&B franchise sector in the Indonesian market. Although Mixue shows high performance in Indonesia, there are a few exceptions in several regions where some outlets have declined such as Tangerang City, Indonesia. Hence research is needed to see the viewpoint of Mixue Tangerang City's citizens on the marketing mix of Mixue, where the factors are as follows: Product, Price, Place, and Promotion. The evaluation is important to help owners adjust their marketing strategy specifically in Tangerang City to help boost citizen's intention to buy Mixue products again in the future (repurchase intention). The research is conducted qualitatively, where the samples used are the customers of Mixue Tangerang who have bought more than once. The response is collected using an online questionnaire, in which they answer using the Likert Scale. The result will be analyzed using the Multiple Linear Regression Analysis method using the software SPSS version 26. The research gains 103 Mixue Tangerang City customer respondents. The research shows that the variables of Product, Price, Place, and Promotion have a significant impact on Repurchase Intention simultaneously. Aside from that, the result shows that Product, Place, and Promotion each have a significant partial impact on Repurchase Intention. However, research shows that the Price factor does not have a significant partial impact on Repurchase Intention.
The Influence of Visual Merchandising and Discount Price on Impulsive Buying at H&M Store (H&M Store PVJ Bandung Case Study) Suryaatmadja, Lambok; Sibarani, Mentiana
Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE) Vol 7 No 1 (2024): Sharia Economics
Publisher : Sharia Economics Department Universitas KH. Abdul Chalim, Mojokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31538/iijse.v7i1.4441

Abstract

This research aims to determine the influence of visual merchandising and discount prices on impulsive buying at the H&M store Paris Van Java. This type of research is causal explanatory research. In this research, data is obtained through primary data and secondary data techniques. Primary data collection was carried out by distributing questionnaires, while secondary data collection was carried out in this research by literature study and data collection by looking at historical data from the past. This research used a minimum of 30 respondents calculated using the Marlina method by taking respondents as consumers of the H&M store Paris Van Java, respondents who had made unexpected purchases (impulsive buying), respondents with an age range of 18 – 68, and from all social classes. The data used is quantitative. The data collection technique uses a questionnaire. The research consists of two independent variables, namely visual merchandising (X1) and discount price (X2) and consists of one dependent variable (Y), namely impulsive buying, as well as, Next, analysis of the Structural Equation Model (SEM) is carried out using Smart -PLS 3.0. The results of this research show that the variables visual merchandising (X1) and discount price (X2) have a significant effect on impulsive buying (Y). They have a significant effect on purchasing decisions by 67% and the rest is influenced by other variables.
Analisis Pengaruh Current Ratio, Debt to Equity Ratio, Net Profit Margin dan Total Aset Turnover Terhadap Harga Saham pada Perusahaan Sektor Energi di Bursa Efek Indonesia Periode 2019-2022 Suhari, Budi; Sibarani, Mentiana; Heryanto Soegieharto, Dhany
Journal of Economics and Business UBS Vol. 12 No. 6 (2023): Special Issue
Publisher : Cv. Syntax Corporation Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52644/joeb.v2i6.863

Abstract

The aim of this research is to determine the influence of liquidity ratios, profitability, solvency and asset turnover ratios on share prices in energy sector companies on the Indonesia Stock Exchange. The phenomenon that occurred was when the energy sector stock index became the highest compared to other sectors throughout 2022, reaching 36 percent with growth of 2.1 percent. The sampling method for this research uses a purposive sampling method, where of the eighty-four energy sector companies, only thirty-two companies were selected that had complete financial reports for 2021-2022. The results of the research show that the variable factors Current Ratio and Debt to Equity Ratio partially have a negative effect on stock prices, while the variable factors Net Profit Margin and Total Asset Turnover ratios partially have a positive effect on stock prices. Meanwhile, simultaneously the variables Current Ratio, Net Profit Margin, Debt to Equity Ratio and Total Asset Turnover have a significant influence on share prices. It is hoped that future research will be able to determine the effect on stock returns.
Pengaruh Lingkungan Kerja Perusahaan Terhadap Kepuasan Kerja Karyawan di Perusahaan Galangan Kapal PT XYZ Hidayatullah, Arief; Sibarani, Mentiana
Jurnal Locus Penelitian dan Pengabdian Vol. 4 No. 12 (2025): JURNAL LOCUS: Penelitian dan Pengabdian
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/locus.v4i12.4591

Abstract

Penelitian ini bertujuan untuk menganalisis pengaruh lingkungan kerja fisik dan lingkungan kerja non-fisik terhadap kepuasan kerja karyawan di PT XYZ, sebuah perusahaan galangan kapal. Metode penelitian yang digunakan adalah kuantitatif analitik dengan pendekatan survei. Data dikumpulkan melalui kuesioner yang disebarkan kepada seluruh 120 karyawan tetap perusahaan. Analisis data dilakukan menggunakan regresi linier berganda dengan bantuan program SPSS versi 26. Hasil penelitian menunjukkan bahwa variabel lingkungan kerja fisik berpengaruh positif dan signifikan terhadap kepuasan kerja. Secara parsial, variabel lingkungan kerja non-fisik juga menunjukkan pengaruh positif dan signifikan yang lebih kuat. Secara simultan, kedua variabel independen tersebut berpengaruh signifikan terhadap kepuasan kerja karyawan. Temuan ini mengindikasikan bahwa implementasi lingkungan kerja fisik yang konsisten diiringi perhatian terhadap aspek non-fisik dapat mengoptimalkan tingkat kepuasan kerja di PT XYZ.
Comparative Analysis of Operational and Investment Costs Between Diesel Trucks and Electric Trucks in Coal Transportation Activities in West Kutai Regency Roni, Roni; Sibarani, Mentiana
Eduvest - Journal of Universal Studies Vol. 5 No. 12 (2025): Eduvest - Journal of Universal Studies
Publisher : Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59188/eduvest.v5i12.51942

Abstract

This study aims to compare investment and operational costs between electric trucks (Electric Vehicles/EV) and diesel trucks (Internal Combustion Engine/ICE) in coal transportation activities in Kutai Barat Regency. The main issue addressed is the high investment cost of electric vehicles and their suboptimal operational productivity compared to conventional vehicles. A employed using descriptive statistics and the non-parametric Mann–Whitney U test. Data were collected from actual operational measurements of both vehicle types. The results show that electric trucks have significantly higher investment costs than diesel trucks. However, in terms of energy efficiency, electric trucks offer significant savings up to 72.9% in energy costs. Meanwhile, operational and total costs between the two truck types were not statistically different. In terms of productivity and daily output capacity, diesel trucks were significantly superior. These findings suggest the adoption of a mixed-fleet strategy and underscore the importance of developing supporting infrastructure such as swab charging stations to optimize the role of electric vehicles in the mining sector.
Analisis Perbandingan Metode Risk Parity dan Mean Variance dalam Kinerja Portofolio Saham Mangube, Juino Robert; Sibarani, Mentiana
Jurnal Locus Penelitian dan Pengabdian Vol. 4 No. 12 (2025): JURNAL LOCUS: Penelitian dan Pengabdian
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/locus.v4i12.4595

Abstract

Penelitian ini bertujuan untuk menganalisis dan membandingkan kinerja portofolio saham yang dibentuk menggunakan metode Risk Parity dan Mean Variance Optimization (MVO) pada saham-saham yang tergabung dalam Indeks LQ45. Penelitian ini menggunakan pendekatan kuantitatif komparatif dengan data return bulanan selama periode Januari 2020 hingga Desember 2024. Sampel penelitian terdiri dari dua portofolio yang masing-masing berisikan tujuh saham pilihan berdasarkan kriteria return tertinggi, risiko terendah, dan Sharpe ratio terbaik. Metode analisis yang digunakan meliputi perhitungan variance-covariance matrix, optimasi portofolio Markowitz, dan alokasi Risk Parity, serta pengujian statistik non-parametrik Wilcoxon Signed-Rank Test. Hasil penelitian menunjukkan bahwa metode MVO menghasilkan return yang lebih tinggi dibandingkan Risk Parity, dengan Portofolio 1 MVO mencapai return bulanan 3,88% dan Sharpe ratio 0,345, sementara Risk Parity hanya 0,95% dengan Sharpe ratio 0,100. Demikian pula pada Portofolio 2, MVO menghasilkan return 2,34% dengan Sharpe ratio 0,270, sedangkan Risk Parity hanya 0,59% dengan Sharpe ratio 0,044. Meskipun demikian, uji statistik menunjukkan bahwa perbedaan kinerja tersebut tidak signifikan secara statistik (p = 0,180). Temuan ini mengindikasikan bahwa pemilihan metode alokasi portofolio sebaiknya disesuaikan dengan profil risiko investor, dimana MVO lebih cocok untuk investor agresif yang mengutamakan return maksimal, sementara Risk Parity lebih sesuai untuk investor konservatif yang memprioritaskan stabilitas risiko.
The Influence of Cost Management and Human Resource Management (HR) on Operational Excellence Monitored Through the Balance Scorecard Framework Avanti, Fatria Asia; Sibarani, Mentiana
Eduvest - Journal of Universal Studies Vol. 5 No. 12 (2025): Eduvest - Journal of Universal Studies
Publisher : Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59188/eduvest.v5i12.51890

Abstract

This study aims to analyze the influence of cost management and human resource management (HR) on operational excellence monitored through the Balance Scorecard framework in the oil and gas and limited energy industry in Indonesia. In facing the challenges of the energy transition towards Net Zero Emission 2060, oil and gas companies need to optimize operational efficiency through effective cost management and optimal human resource management. This study uses a quantitative approach with Exploratory Factor Analysis (EFA) and multiple linear regression techniques. Data was collected through a questionnaire of 71 respondents consisting of company leaders, managers, and operational staff in oil and gas and mining companies with at least 3 years of experience. The results showed that cost management had a significant effect on operational excellence with a regression coefficient of 0.454 (t-count = 4.941 > t-table = 1.9960). HR management has a stronger influence on operational excellence with a regression coefficient of 0.486 (t-count = 5.288 > t-table = 1.9960). Simultaneously, the two variables were able to explain 79.5% of the variance in operational excellence (R² = 0.795). The Balance Scorecard has proven to be effective as a holistic monitoring tool that integrates financial and non-financial aspects. This research provides a practical contribution for energy companies in optimizing operational strategies through the synergy of cost management and human resource management supported by a dynamic BSC monitoring system.
Co-Authors Abraham Enga Tifaona, Ignatius Alfian Alfian Avanti, Fatria Asia Bala Tifaona, Alexander Benedictus Busono, Bibin Cakradini, Rudy Cristalia Gomies, Vieren Damayanti, Eka Ari Dewantara, Doni Pranata Evasaria Magdalena Sipayung, Evasaria Magdalena Hardinata, Kenny Heriana, Ferra Heryanto Soegieharto, Dhany Heryanto, Dhany HIDAYATULLAH, ARIEF Kurniawan, Yohanes Malsad, Gredinov Sumanta Mangube, Juino Robert Mulyani, Lenny Mutia, Ajeng Fitriani Napitupulu, Dongani Nawasari, Nawasari Ponikasari, Ponikasari Posma Sariguna Johnson Kennedy Rahmat, Damianus Tulus RAKHMAT, Ryan Kharisma Ramauli, Juliana Roland Y.H. Silitonga Roni, Roni Sabiantoro, Mastuti Sampurno, Mahendra Dita Samsul Bahri, Ronny Sariguna Johnson Kennedy , Posma Sejati, Shandi Setya Siahaan, Mario Iriando Silitonga, Roland Y. H. Sirait, Tongam Suhari, Budi Supratman, Deny Suryaatmadja, Lambok Sutrisno, Sutrisno Suwindu, I Wayan Tarigan, Joshua Michael Servilo Usamah Usamah, Usamah Vico, Julyas Waani, Jane Deasy Widadi, William Rusly Yotapditya, Igor Zefanya, Anastasia