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All Journal Saintia Matematika SITEKIN: Jurnal Sains, Teknologi dan Industri Jurnal Sains Matematika dan Statistika Edumatsains Sinkron : Jurnal dan Penelitian Teknik Informatika Jurnal Masharif al-Syariah: Jurnal Ekonomi dan Perbankan Syariah Desimal: Jurnal Matematika Zero : Jurnal Sains, Matematika, dan Terapan International Journal of Supply Chain Management JOURNAL OF SCIENCE AND SOCIAL RESEARCH MABIS: Manajemen dan Bisnis Jurnal Manajemen dan Bisnis MES: Journal of Mathematics Education and Science Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika Jurnal Ilmiah Manajemen Kesatuan Jurnal Ilmiah Akuntansi Kesatuan Jurnal Penelitian Ekonomi Akuntansi (JENSI) ASSET: Jurnal Manajemen dan Bisnis Jurnal Suluh Pendidikan Journal of Research in Mathematics Trends and Technology Jurnal Ekonomi Bisnis, Manajemen dan Akuntansi (JEBMA) FARABI: Jurnal Matematika dan Pendidikan Matematika Jurnal Manajemen dan Bisnis International Journal of Educational Review, Law And Social Sciences (IJERLAS) International Journal of Economic, Business, Accounting, Agriculture Management and Sharia Administration (IJEBAS) Jurnal Akutansi Manajemen Ekonomi Kewirausahaan (JAMEK) International Journal of Social Science, Educational, Economics, Agriculture Research, and Technology (IJSET) MATHunesa: Jurnal Ilmiah Matematika Journal of Mathematics Technology and Education Asian Journal of Management Analytics ARZUSIN: Jurnal Manajemen dan Pendidikan Dasar Return : Study of Management, Economic and Bussines Multiverse: Open Multidisciplinary Journal International Conference on Health Science, Green Economics, Educational Review and Technology (IHERT) Innovative: Journal Of Social Science Research Benefit : Journal of Bussiness, Economics, and Finance Enrichment: Journal of Multidisciplinary Research and Development Neraca: Jurnal Ekonomi, Manajemen dan Akuntansi Jurnal Arjuna : Publikasi Ilmu Pendidikan, Bahasa dan Matematika Journal of Business Management Neraca Manajemen, Akuntansi, dan Ekonomi Cendikia Pendidikan Journal Business Administration (JBA): Entrepreneurship and Creative Indutry Algoritma: Jurnal Matematika, Ilmu Pengetahuan Alam, Kebumian dan Angkasa International Journal of Economics, Accounting, and Management Management of Education: Jurnal Manajemen Pendidikan Islam Harmoni Economics: International Journal of Economics and Accounting
Parapat Gultom
Unknown Affiliation
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences 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 Medicine & Pharmacology Physics Public Health Social Sciences Transportation Other

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Prioritisasi Wilayah Ketahanan Pangan Di Kabupaten Jayawijaya Menggunakan Pendekatan SIG–AHP Tambunan, Ayu Anggraini; Gultom, Parapat; Hanafiah, Arif; Ferdiansyah, Ronando
Benefit: Journal of Bussiness, Economics, and Finance Vol. 4 No. 1 (2026): BENEFIT: Journal Of Business, Economics, and Finance
Publisher : Lembaga Penelitian Dan Publikasi Ilmiah (lppi) Yayasan Almahmudi Bin Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70437/benefit.v4i1.1685

Abstract

Ketahanan pangan merupakan isu strategis di wilayah pegunungan dan daerah dengan keterbatasan infrastruktur, seperti Kabupaten Jayawijaya. Penelitian ini bertujuan untuk menganalisis tingkat ketahanan pangan antar distrik di Kabupaten Jayawijaya menggunakan pendekatan Indeks Ketahanan Pangan (IKP) berbasis Analytical Hierarchy Process (AHP), serta mengidentifikasi faktor-faktor dominan yang memengaruhi variasi ketahanan pangan secara spasial. Data yang digunakan meliputi indikator ketersediaan, aksesibilitas, dan pemanfaatan pangan, yang diperoleh dari data sekunder dan diolah melalui proses normalisasi serta pembobotan AHP. Nilai IKP dihitung menggunakan metode penjumlahan terbobot dan diklasifikasikan ke dalam tiga kategori, yaitu rendah (0,00–0,33), sedang (0,34–0,66), dan tinggi (0,67–1,00). Hasil penelitian menunjukkan bahwa nilai IKP 20 distrik di Kabupaten Jayawijaya berada pada rentang 0,28–0,72 dengan nilai rata-rata sekitar 0,51. Sebanyak 4 distrik (20%) tergolong dalam kategori ketahanan pangan rendah, 13 distrik (65%) berada pada kategori sedang, dan 3 distrik (15%) termasuk kategori tinggi. Pembobotan AHP mengindikasikan bahwa indikator produksi pangan dan aksesibilitas, khususnya akses jalan, jarak ke pasar, dan harga pangan, merupakan faktor dominan yang memengaruhi nilai IKP. Distrik dengan ketahanan pangan rendah dicirikan oleh dominasi indikator biaya seperti keterbatasan infrastruktur dan tingginya harga pangan, sementara distrik dengan ketahanan pangan tinggi menunjukkan dominasi indikator manfaat berupa produksi pangan yang lebih baik, aksesibilitas memadai, dan stabilitas harga. Penelitian ini menyimpulkan bahwa ketahanan pangan di Kabupaten Jayawijaya masih bersifat tidak merata dan memerlukan strategi kebijakan yang bersifat diferensial dan berbasis wilayah. Pendekatan IKP berbasis AHP terbukti mampu merepresentasikan kompleksitas ketahanan pangan secara kuantitatif dan dapat dimanfaatkan sebagai dasar perencanaan serta evaluasi kebijakan ketahanan pangan yang lebih tepat sasaran.
The Effect of Capital Structure, Profitability, and Liquidity on Stock Returns, with Company Size as a Moderating Variable in Food and Beverage Companies Listed on the Indonesia Stock Exchange (IDX) for the 2019-2023 Period Firza Azzahra; Keulana Erwin; Parapat Gultom
International Journal of Economics Accounting and Management Vol. 2 No. 5 (2026): IJEAM - January 2026
Publisher : PT. INOVASI TEKNOLOGI KOMPUTER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.60076/ijeam.v2i5.1767

Abstract

The purpose of this research is to examine the impact of capital structure, profitability, and liquidity on stock returns, taking into account company size as a moderating factor, in food and beverage firms listed on the Indonesia Stock Exchange (BEI) between 2019 and 2023. Data from the Indonesia Stock Exchange served as the foundation for this research. The sampling technique employed was purposive sampling. This research included a sample of 11 companies from the food and beverage sub-sector listed on the Indonesia Stock Exchange between 2019 and 2023, with a total of 55 companies. Moderated Regression Analysis (MRA), secondary data, and panel data regression analysis were the methods used. According to the findings of this study, capital structure has a positive and considerable impact on share returns, liquidity has a positive and significant impact on share returns, and profitability has no effect on share returns. The impact of profitability on stock returns is not greatly moderated (strengthened) by firm size
The Influence of Electronic Word of Mouth and Social Media Marketing On The Purchasing Decision of Small and Medium Enterprises (Case Study On Diyos Shoes Cleaning In Medan City) Roy Mulyadi Mardiyos; Arlina Nurbaity Lubis; Parapat Gultom
Return : Study of Management, Economic and Bussines Vol. 3 No. 5 (2024): Return : Study of Management, Economic And Bussines
Publisher : PT. Publikasiku Academic Solution

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57096/return.v3i5.231

Abstract

This research aims to determine and analyze the influence of electronic word of mouth and social media marketing on purchasing decisions for small and medium enterprises (case study on Diyos Shoes Cleaning). This research is associative research and the type of data used is quantitative data. The population in this research is the unknown number of Diyos Shoes Cleaning customers in Medan City. The number of samples in this research was 170 customers. The sampling technique uses purposive sampling with the criteria of being 17 years of age and over, having social media, following the Diyos Shoes Cleaning social media account and domiciled in Medan City. The data analysis used is Multiple Linear Regression Analysis. The results of this research show that simultaneously electronic word of mouth and social media marketing have a significant influence on purchasing decisions for Diyos Shoes Cleaning services. Partially, electronic word of mouth and social media marketing have a positive and significant effect on purchasing decisions for Diyos Shoes Cleaning services.
PENGARUH SISTEM INFORMASI MANAJEMEN TERHADAP KINERJA ASN PADA BADAN KEPEGAWAIAN DAN PENGEMBANGAN SUMBER DAYA MANUSIA KABUPATEN KARO Frans Banta Tarigan; Parapat Gultom
Management of Education: Jurnal Manajemen Pendidikan Islam Vol. 9 No. 2 (2023): Management of Education: Jurnal Manajemen Pendidikan Islam
Publisher : Fakultas Tarbiyah dan Keguruan UIN Antasari

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18592/moe.v9i2.9694

Abstract

This study aims to find out and examine whether there is an effect of implementing management information systems on employee performance at the Karo Regency Personnel and Human Resource Development Agency. This study used descriptive quantitative methods, research data were collected using questionnaires in the form of checklists, observations and documentation. the data was analyzed using descriptive statistics with a simple linear regression formula, the data is explained in tabular form, frequency, narrative of the processed data with the help of SPSS 16. The results of the study show that the implementation of the management information system has been going well but there are still obstacles in its application such as inadequate facilities and infrastructure Lack of skills from employees who do not clearly understand how to use this management information system application, there must be an acc system from data processing which can hinder work, because they still have to wait for the acc. Judging from the results of the study, it shows that the implementation of management information systems on employee performance has been going well and has a partial effect, there is one indicator that has the greatest influence on work productivity, namely the delivery of information. This can be seen from the results of the partial linear regression test, namely data collection of 0.056 and from the results of the simultaneous linear regression test, it has an effect of 0.464 or 46.4% which affects work productivity, the rest is influenced by other variables that have not been examined by researchers.
Analysis of Competitive Strategies for Food Delivery Services using Game Theory With 3 Players (ShopeeFood, GoFood, and GrabFood) Linna Syahputri; Gultom, Parapat
Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika Vol. 9 No. 1 (2026): Volume 9 Nomor 1 Tahun 2026
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/proximal.v9i1.7809

Abstract

The development of application-based food delivery services is driving strategic competition between ShopeeFood, GoFood, and GrabFood in attracting consumer preferences. This research aims to analyze the competitive strategies of the three platforms using a non-cooperative three-player Game Theory approach. The research method used is descriptive quantitative with data directly selected from respondents who are students of the Faculty of Mathematics and Natural Sciences at the University of North Sumatra. Data was collected thru a forced-choice questionnaire on five strategy attributes: price, promotions, application, courier, and merchant, and then processed into a payoff matrix. The analysis was conducted using the best response method (underline/circle method) to determine the Pure Strategy Nash Equilibrium. The research results indicate that there is a Nash equilibrium in the combination of strategies (ShopeeFood: Price, GoFood: Price, GrabFood: Courier). This finding indicates that price competition is the optimal strategy for ShopeeFood and GoFood, while GrabFood gains an advantage thru courier service differentiation. This research provides an empirical contribution to the application of three-player game theory in digital platform competition.
Min-Max Fuzzy TOPSIS with Entropy Weighting for Strategic Location Multicriteria Decision Making Endah Nurfebriyanti; Parapat Gultom; Tulus Tulus
ZERO: Jurnal Sains, Matematika dan Terapan Vol 9, No 3 (2025): Zero: Jurnal Sains Matematika dan Terapan
Publisher : UIN Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/zero.v9i3.26749

Abstract

This study aimed to develop a robust, objective framework for strategic location Multicriteria Decision Making (MCDM) by effectively addressing criteria conflict and data uncertainty. The research methodology utilized a novel hybrid approach, integrating the Entropy method to determine objective criteria weights with a Min-Max Fuzzy TOPSIS model, a modification adopted specifically to improve the consistency and rationality of alternative ranking results. The model was applied to a case study concerning strategic location selection in Batubara Regency, evaluating five alternative locations based on six criteria. The major finding from the objective weighting process was that the Number of Students ( ) was the most influential criterion, receiving the highest weight of 0.294. Subsequent analysis using the modified Fuzzy TOPSIS revealed that Alternative (Madang Deras) achieved the highest performance index , securing the first rank. Numerical validation showed a significant improvement over existing approaches. When compared with the original Min-Max Fuzzy TOPSIS, the Performance Index of the best alternative ( ) increased from 0.588 to 0.673, representing a 14.46% improvement. Furthermore, when evaluated against a model using uniform weighting, the Performance Index increased from 0.449 to 0.673, reflecting a substantial 49.89% enhancement. These results demonstrate that entropy-based objective weighting meaningfully improves the discriminative power of the decision model and reduces bias. Overall, the proposed hybrid framework offers a more stable, accurate, and comprehensive approach for strategic location selection.
The Effect of Study Balance, Career Balance, and Personal Life Balance on Academic Achievement in Master's and Doctoral Program Students of FEB USU is Mediated by Academic Motivation Plantation Humaira, Siti; Siahaan, Elisabet; Gultom, Parapat
Journal of Business Management Vol. 3 No. 3 (2026): April
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/jobm.v3i3.194

Abstract

This study aims to analyze the influence of study balance, career balance, and personal life balance on academic achievement in married Master's and Doctoral Program students of the Faculty of Economics and Business, University of North Sumatra (FEB USU), with academic motivation as a mediating variable. The research population is all students of the Master of Management Science Program FEB USU in 2025, which totals 349 students. This study is focused on 141 married students with a sampling technique using total sampling. The research method used is a quantitative approach with the type of associative research. Data were collected through questionnaire distribution and analyzed using the Partial Least Squares–Structural Equation Modeling (PLS-SEM) method. The results of the study showed that study balance had a positive but not significant effect on academic achievement. On the other hand, career balance and personal life balance have a positive and significant effect on academic achievement. These three dimensions of balance have also been shown to have a positive and significant effect on academic motivation. Academic motivation then has a positive and significant effect on academic achievement and is able to mediate the influence of study balance, career balance, and personal life balance on academic achievement. Academic motivation fully mediates the influence of study balance on academic achievement because its direct influence is not significant, but becomes significant through indirect channels.
Financial Distress, Leverage, and Cash Flow Effects on Earnings Management: Evidence from IDX Manufacturing Firms the 2020-2024 Period Budi Chandra; Erlina Erlina; Parapat Gultom
Harmoni Economics: International Journal of Economics and Accounting Vol. 2 No. 4 (2025): November: Harmoni Economics: International Journal of Economics and Accounting
Publisher : International Forum of Researchers and Lecturers

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70062/harmonieconomics.v2i4.416

Abstract

Flow on accrual earnings management with firm size as moderating variable in manufacturing companies listed on the Indonesia Stock Exchange (IDX) during the 2020–2024 period. This study was conducted based on information obtained from the Indonesia Stock Exchange. The sampling technique used was purposive sampling. The population in this study were manufacturing sector companies listed on the Indonesia Stock Exchange for the 2020–2024 period. This study employs panel data regression analysis using E-Views. The analytical method applied is multiple linear regression with a quantitative approach. The findings show that only financial distress has a significant positive effect on accrual earnings management, while the other variables are not significant. In addition, firm size does not moderate the influence of financial distress, leverage, or operating cash flow on accrual earnings management. This research is expected to provide deeper insight into the relationship between financial distress, leverage, and operating cash flow with accrual earnings management, as well as contribute to the accounting literature on earnings management practices amid financial pressure faced by firms.
Co-Authors Abdul Munif Afryantika Pratiwi Aghni Syahmarani Akbar, Andini Alya Nadhira Nur Amanda, Ade Siti Andre Masago Manik Angginun Juwita Sari Anggita Rizki Defiani Hasibuan Apriliza, Yafika Arlina Nurbaity Lubis Arlina Nurbaity Lubis Asima Manurung Asima, Asima Azwar, Nurul Azri Azzahra, Firza Bangun, Yohana Beby Karina Fawzeea Sembiring Binsar Nommensen Hasiolan Nababan Br Ginting, Emmita Br Manalu, Chairi Indani Budi Chandra Chairi Indani Br Manalu Dalimunthe, Ritha F. Deby Nanda Sari Dian Natari Dwi Nurul Aisyah Eko Syafriadi Elikson Damanik Elisabet Siahaan Elly Rosmaini Elvin Juliani Gulo Endah Nurfebriyanti Endang Sulistya Rini Erlina Erlina Esther S. M. Nababan Esther SM Nababan Eunike Al Grea Ezra, Posman Felly Ardan Ferdiansyah, Ronando Firza Azzahra Fitria Khairani Frans Banta Tarigan Ginting, Jean Probosky Ginting, Yoga Gilbert Halasan Sirait Hanafiah, Arif Hardiansyah Hardiansyah Hartini Pratiwi Pane Hasibuan, Gamal Ali Akbar Hasibuan, Syarinah Junianti Hulu, Gracelin Nonifati Humaira, Siti Indah Permata Sembiring Indris Simanungkalit Irmayanti Nasution Iskandar Situmorang Ismail Napitupulu Jefri Leo Jonathan Liviera Marpaung Ketaren, Dahlia Rizky Keulana Erwin Khairunnisa Br Manurung Komarudin Komarudin Kristian, Abel Kurniasari, Rini Lestari, Nanda Linna Syahputri Loebis, Roma Ayni A. Mahyuddin K.M. Nasution Manalu, Mawar Winda Manulang, Dea Lonita Mardiningsih Mardiningsih Mardiningsih Maris Stella Sitorus Marpaung, J.L. Matriadi, Faisal Mey Ramayanti Tinambunan Mhd Diky Setiawan Mhd Reza Irjaldi Hasibuan Miftah Khairani Mindasari, Eva Miranda Moudy Fitria Respati Nababan, ESM Nababan, Esther S.M. Nababan, Esther Sorta Mauli Nabilah Faisal, Ananda Najang, Abdullah Natalia, Desy Denada Nazli Ramadhani Lubis Novi Yanti Nur Amalia, Syahamah Nurwijayanti Octavianus, Handy Oka Simatupang Open Darnius paham ginting Paskah Riny Sirait Pratiwi, Annisa Rizki Prihatin Lumbanraja Pujiana, Perli Purba, Titin Miduk Putra, Ramadhan Diansyah Putri Khairiah Nasution Rahmadhina, Namira Mudrikah Rajagukguk, Angie Maretha Ramadhani Fitri Rina Br. Bukit Rita F. Dalimunthe Ritha F. Dalimunthe Ritha F.Dalimunthe Ritonga , Ewy Lady Christin Robby Oksa Cornely Ronny Sung Roy Mulyadi Mardiyos RS, Yoppy Mairizon Ruslin Chaerul Cora Sabariah Sabariah Safira, Moza Sambas Ade Kesuma Saragih, Junawi Hartasi Sarah Madaniah Sartika Ningsih Sawaluddin Sawaluddin Sawaluddin Sawaluddin Sawaluddin, Sawaluddin Sembiring, Erwandi Martinus Sentosa, Ilham Shabrina Tifani Shafira, Meifanny Azri Siagian, Riris Regita Cahyani Siahaan, Elisabet Simanjuntak, Rahmad Simbolon, Miranda Melania Nathasia Sinaga, Hasanah Dwi Putri Sinurat, Rona Lamretta Sipayung, Aquinaldo Boyfame R. Sirait, Annisa Hidayati Siregar, Ahir Diana Putri Siregar, Dwi Faradiba Sitepu, Lia Eriska Br Siti Nurhaliza Siti Raha Agoes Salim Sitompul, Weny Grace Situmorang, Theresa Sisilia Sonya Putri Suherwin Suherwin Sukaria Sinulingga Suryati Sitepu Sutarman Sutarman Sutarman Sutarman Suyanto Suyanto Suyanto Suyanto Suyanto Syafriadi, Eko Syahputra, Muhammad Romi Syahrika Luthfi Syahriol, Syahriol T Khairunnisa Tambunan, Ayu Anggraini Tambunan, Gilbert Pauly Hamonangan Tarigan, Miska Irani Tata Winda Lesmana Thianujaya, Wendy Thianujaya, Wendy Thianujaya Tulus Tulus Tulus Utari, Cutserly Weber, Gerhard Wilhelm Wibisono Wibisono Widyasari, Rina Wulandari, Annisa yeni absah Yohanna Yunitha Simangunsong