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All Journal Primanomics : Jurnal Ekonomi & Bisnis Jurnal Ekuivalensi Jurnal Ilmiah Manajemen Kesatuan Community Development Journal: Jurnal Pengabdian Masyarakat GANDRUNG: Jurnal Pengabdian Kepada Masyarakat JRAK (Jurnal Riset Akuntansi dan Bisnis) (e-Journal) Tangible Journal Jurnal Ekonomi Jurnal Ilmiah Mahasiswa Perbankan Syariah (JIMPA) International Journal of Economic, Business, Accounting, Agriculture Management and Sharia Administration (IJEBAS) Jurnal Kolaboratif Sains Arus Jurnal Sosial dan Humaniora ProBisnis : Jurnal Manajemen International Journal of Science and Environment Indonesian Journal of Contemporary Multidisciplinary Research Nanggroe: Journal Of Scholarly Service International Journal of Accounting, Management, Economics and Social Sciences (IJAMESC) JAMPARING: Jurnal Akuntansi Manajemen Pariwisata dan Pembelajaran Konseling ULINA: Jurnal Pengabdian kepada Masyarakat Nanggroe: Journal of Scholarly Service International Journal of Sustainable Applied Sciences (IJSAS) Jurnal Ilmiah Smart Impression : Jurnal Teknologi dan Informasi International Journal Business, Management and Innovation Review Jurnal Ekonomi, Akuntasi dan Manajemen Indonesia(JEAMI) Journal of Business Integration Competitive Journal of Finance Integration and Business Independence International Journal of Economics and Management Research
Adi Harianto
Institut Bisnis Informasi Teknologi Dan Bisnis
Religion Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Neuroscience Nursing Physics Public Health Social Sciences Other

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The Effectiveness of Quick Response Code Indonesian Standard (QRIS) in Increasing MSME Transactions at Car Free Day in Merdeka Square, Medan Tyus Windi Ayuni; Ibrahim Mallam Fali; Rahima Br Purba; Amin Hou; Adi Harianto
Journal of Finance Integration and Business Independence Vol. 2 No. 1 (2026): Journal of Finance Integration and Business Independence
Publisher : YAYASAN BINA BISNIS NUSANTARA MEDAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.64276/jofibi.v2i1.95

Abstract

This study aims to analyze the effectiveness of the use of the Quick Response Code Indonesian Standard (QRIS) in creasing MSME transactions at Car Free Day in Lapangan Merdekea, Medan City. The independent variables in this study are the ease use of QRIS and trust in the use of QRIS, while the dependent variable is the increase in MSME transactions. This study is motivated by the development of digital technology, which has encouraged the transformation of non-cash payment systems in the MSME sector. Although QRIS has been widely adopted, several obstacles still exist, such as limited techonological understanding and low levels of trust in digital payment systems. This study employed a quantitative research method with an associative approach. The population consisted of all culinary business actors at Car Free Day in Lapangan Merdeka, Medan City. The sampling technique used purposive sampling with a total 45 respondents. Data were collected through questionnaires and analyzed using Structural Equation Modelling (SEM) based on Smart PLS. the results indicate that the ease of use of QRIS has a positive and significant effect on increasing MSME transactions, with a path coefficient value of 0.612 an a p-value of 0.000. trust in the use of QRIS also has a positive and significant effect on increasing MSME transactions, with a path coefficient value of 0.684 and a p-value of 0.000. Furthermore, the ease of use and trust in the use of QRIS simultaneously enhance the effectiveness of MSME transactions at Car Free Day in Lapangan Merdeka, Medan City. This study shows that the ease of use and trust in QRIS are important factors in increasing the adoption of digital payments among MSMEs. The use of QRIS provides convenience, security, transcation efficiency and supports the digital transformarion of MSMEs in the digital economy era.
PENGARUH GAYA HIDUP GENERASI Z DAN KEPRIBADIAN TERHADAP PENGGUNANAN PINJAMAN ONLINE (STUDI KASUS GENERASI Z DI KOTA MEDAN DENGAN APLIKASI KEUANGAN (FINTECH) adi harianto; Latersia Gurusinga; Juliandi Sahputra
Jurnal Manajemen Akuntansi Dan Administrasi Bisnis Vol 8 No 1 (2024): Jurnal Ilmiah SMART
Publisher : Sekolah Tinggi Manajemen Bisnis (STMB) MultiSmart

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62262/jmab.v8i1.312

Abstract

Tujuan dari penelitian ini adalah untuk melihat bagaimana gaya hidup dan kepribadian Generasi Z mempengaruhi penggunaan pinjaman online di Kota Medan. Orang yang lahir pada tahun 1997 hingga 2012 disebut sebagai Generasi Z. Mereka terkenal karena kemampuan teknologinya yang tinggi dan keinginannya untuk bertransaksi sederhana, seperti menggunakan layanan pinjaman online. Ciri-ciri kepribadian seperti disiplin, keterbukaan, dan kecenderungan mengambil risiko juga dapat mempengaruhi perilaku keuangan seseorang. Metodologi penelitian ini memadukan pendekatan kuantitatif dan survei terstruktur dengan sampel warga Generasi Z Kota Medan. Pertanyaan pemanfaatan pinjaman online, kepribadian, dan gaya hidup termasuk di antara survei yang digunakan untuk mengumpulkan data. Untuk menguji teori dan menilai dampak faktor kepribadian dan gaya hidup terhadap pemanfaatan pinjaman online, teknik statistik seperti regresi berganda digunakan. Untuk menguji teori dan menilai dampak faktor kepribadian dan gaya hidup terhadap pemanfaatan pinjaman online, teknik statistik seperti regresi berganda digunakan. Temuan penelitian ini diharapkan dapat menambah pengetahuan tentang variabel-variabel yang mempengaruhi keputusan Generasi Z dalam menggunakan pinjaman online di Kota Medan. Implikasi dari temuan ini dapat menjadi landasan untuk menciptakan inisiatif pendidikan keuangan dan pemasaran yang lebih masuk akal.
Optimasi Random Forest untuk Peningkatan Sensitivitas Deteksi Fraud pada Data Imbalanced Hartati Tammamah Lubis; Adi Harianto
Impression : Jurnal Teknologi dan Informasi Vol. 5 No. 1 (2026): Maret 2026
Publisher : Lembaga Riset Ilmiah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59086/jti.v5i1.1395

Abstract

Deteksi fraud pada transaksi keuangan merupakan permasalahan krusial akibat ketidakseimbangan data (imbalanced dataset) dan tingginya risiko kerugian finansial. Penelitian ini bertujuan mengoptimasi model Random Forest dalam mendeteksi transaksi fraud menggunakan dataset credit.csv. Proses optimasi dilakukan melalui RandomizedSearchCV untuk memperoleh kombinasi hyperparameter terbaik serta penyesuaian threshold probabilitas untuk meningkatkan nilai recall. Hasil eksperimen menunjukkan model mencapai nilai ROC-AUC sebesar 0.97 +, dengan recall fraud meningkatkan dari 0.83 pada threshold default menjadi 0.90 pada threshold 0.2. Hasil ini menunjukkan bahwa optimasi hyperparameter dan threshold efektif dalam meningkatkan sensitivitas sistem terhadap transaksi fraud.   Financial transaction fraud detection is a critical problem due to class imbalance in the dataset and the high financial losses associated with undetected fraudulent activities. This study aims to optimize a Random Forest model for detecting fraudulent transactions using the creditcard.csv dataset. The optimization process was conducted using RandomizedSearchCV to identify the best hyperparameter combination, and a probability threshold adjustment to improve recall performance. Experimental results show that the optimized model achieved an ROC-AUC score above 0.97, with fraud recall increasing from 0.83 at the default threshold to 0.90 at a threshold of 0.2. These findings indicate that hyperparameter tuning and threshold optimization effectively enhance the system's sensitivity to detecting fraudulent transactions.
Implementation of Software-Based Accounting Information Systems in MSMEs and its Effect on Smoothness of Internal Audit (Food sector MSMEs in Langkat Regency) Laily Ramadhani; Jung Sen; Adi Harianto; Tony Honkley; Vina Winda Sari
International Journal of Science and Environment (IJSE) Vol. 5 No. 4 (2025): November 2025
Publisher : CV. Inara in Colaboration with www.stie-sampit.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51601/ijse.v5i4.235

Abstract

Micro, Small, and Medium Enterprises (MSMEs) play a vital role in Indonesia’s economy, including in Langkat Regency, where the food sector serves as a key economic pillar. A persistent challenge faced by these enterprises is the predominance of manual financial recordkeeping, which increases the risk of errors and complicates internal audits. This study aims to analyze the impact of software-based Accounting Information Systems (AIS) on the effectiveness of internal audits within food-sector MSMEs in Langkat Regency. The research employs an associative quantitative method, with a sample of 97 respondents selected through purposive sampling. Data were collected via questionnaires and analyzed using Structural Equation Modeling–Partial Least Squares (SEM-PLS) with SmartPLS software. The findings reveal that the implementation of software-based AIS has a positive and significant effect on the smooth execution of internal audits, as indicated by a t-statistic of 19.898 (greater than the critical value of 1.985) and a p-value of 0.000 (less than 0.05). Among the 95 valid respondents, 40% reported using accounting software and experiencing benefits such as improved accuracy in recordkeeping, timely financial reporting, and enhanced ease of internal auditing. The implications of this study underscore the importance of advancing digital accounting literacy, fostering local government support, and expanding access to affordable software solutions to strengthen transparency and competitiveness among food-sector MSMEs.
Co-Authors Agus Susanto Ahmad Rivai Albert Albert Amin Hou Anita Anita Atika Rahmi Br Ginting, Berupilihen Darwan Tanady Darwan Tanady Debora Tambunan Deby Siska Oktavia Pasaribu Deva Djohan Devia Febrina Dewi Rafiah Pakpahan Dewi Rapiah Pakpahan Duffin Eka Nurmala Sari Elyzabeth Wijaya Emma Novirsari Emma Novirsari Essia Ries Ahmed Abu Ries Ester Ester ESTER HERVINA SIHOMBING, ESTER HERVINA Fachrun Nissa Fakhrul Hirzi, M. Fali, Ibrahim Mallam Ginting, Yogi Rahman Feriza Hamjah Arahman Harianto, Yogi Rahman Feriza Ginting Hartati Tammamah Lubis Hendy Hendy Heri Hardiansyah Hervina Sihombing, Ester HS, Widy Hastuty Ibrahim Mallam Fali Ika Listyawati IKA PUSPA SATRIANNY Ina Liswanty Indra Budiman Irfan irwadi Juliandi Sahputra Juliansyah, Roni Junaidi Junaidi Jung Jung Sen Kuandi Chandra Laily Ramadhani Latersia Gurusinga Lidia Berliana Siboro M. Fakhrul Hirzi Manda Dwipayahi Bhastary Manda Dwipayani Bhastary Martin Martin Martin Maya Syahlina Mega Sanjaya Mhd Restu Razaq Razaq Muhammad Fathoni Murdifin azhar Nainggolan, Susan G.V. Nasib Nazah, Khairatun Nurul Syafiqah Azman Rafida Khairani Rafika Sari Br Sembiring Rahima Br Purba Ratih Amelia Ratih Amelia Rifda Daulay, Zulia Rivai, Ahmad Rivai, Ahmad Robin Robin Roni Juliansyah Roni Juliansyah Rusdiana Br Simamora Sabaruddin Chaniago Septa Diana Nabella Siregar, Ratih Anggraini Siti Aisyah Sri Kawuri Sri Mauliza Taufiq Risal Thamrin Thamrin Tika Nirmala Sari Tony Honkley Tony Honkley Tyus Windi Ayuni Tyus Windi Ayuni Viktor Saputra Ginting Vina Winda Sari Widy Hastuty HS Yogi Rahman Feriza Ginting Zakia Fadila Zulkheiri