The Impact of Interest Rate Differentials, Digital Transformation, BOPO, and Promotional Funds on Third-Party Funds

Ika Merdekawati; Jacinta Winarto

doi:10.37034/infeb.v8i3.1477

The Impact of Interest Rate Differentials, Digital Transformation, BOPO, and Promotional Funds on Third-Party Funds

Ika Merdekawati Universitas Kristen Maranatha Jacinta Winarto Universitas Kristen Maranatha DOI: https://doi.org/10.37034/infeb.v8i3.1477 Keywords: Interest Rate Spread, Digital Transformation, BOPO, Promotional Funds, Third-Party Funds Abstract The banking sector functions to mobilize and channel public funds, thereby maintaining national economic stability. In the post-COVID-19 era, the sector has faced intense competition in gathering public funds, also known as third-party funds. Despite this fierce competition, banks have actually experienced a significant increase in third-party funds, driven largely by the rapid growth of new digital banks. This surge in digital bank deposits suggests a migration of funds from conventional banks to digital banks. This study focuses on KBMI 2 banks, which are potentially the most directly affected by this shift of funds to digital banks. Digital banks offer several advantages, such as high deposit interest rates, digital services, greater efficiency, and attractive promotional offers. These advantages serve as a benchmark for KBMI 2 banks seeking to boost their third-party funds; the study examines factors including interest rate differentials, digital transformation, the BOPO ratio operating expenses to operating income, and promotional spending. The research employed panel data covering KBMI 2 banks listed on the Indonesia Stock Exchange from 2021 to 2025, using purposive sampling to select a sample of seven banks. Multiple linear regression analysis was used to examine the causal relationships between the independent and dependent variables. The results indicate that interest rate differentials 0.0043, digital transformation, and the BOPO ratio 0.0442 significantly influence third-party funds, whereas promotional spending 0.8936 does not. The recommended business strategy for KBMI 2 banks is to implement attractive deposit interest rates, adopt digitally transformed services, and maintain efficient operational performance to drive the growth of third-party funds. Downloads Download data is not yet available. References Fitriana, D., & Ciptanila Yuni, K. K. (2024). Pengaruh Dana Pihak Ketiga dan Financing to Deposit Ratio terhadap Profitability Bank Syariah. Jurnal Ekonomi, Manajemen dan Perbankan, 10. DOI: https://doi.org/10.35384/jemp.v10i1.485 . Wahyuni. (2023). Pengaruh Suku Bunga Deposito terhadap Perkembangan Dana Deposito. Jurnal Ekonomi & Bisnis, 58–71. DOI: https://doi.org/https://doi.org/10.60079/ajeb.v1i1.60 . Nuhiu, A., Aliu, F., & Hoti, A. (2024). Assessing the Determinants of Bank Interest Rate Spread: Evidence from Western Balkan Countries. SAGE Open, 14(4). DOI: https://doi.org/10.1177/21582440241301882 . Azumah, C. Y., Owusu-Ansah, A., Amewu, G., & Ohemeng, W. (2023). The Effect of Banking Sector Reforms on Interest Rate Spread: Evidence from Ghana. Cogent Economics and Finance, 11(1). DOI: https://doi.org/10.1080/23322039.2023.2175463 . Kumar, V., Arora, P. K., Kaushik, A., & Poonam, P. (2025). Domestic Monetary Policy and Non-Resident Indian (NRI) Deposits to India: an Empirical Analysis. Journal of Economic and Administrative Sciences, 1–27. DOI: https://doi.org/10.1108/JEAS-01-2025-0015 . Kurniati, R. R. (2025). Peluang dan Tantangan Transformasi Digital pada Bank Sayriah Indonesia. Jurnal Bisnis Indonesia, 16(1). DOI: https://doi.org/10.33005/jbi.v16i1.5443 . Thasleena N, & Pankajam, A. (2025). Transforming Banking Practices: Analysing the Influence of Neobanking Dimensions on Customer Behaviour. Metamorphosis: A Journal of Management Research. DOI: https://doi.org/10.1177/09726225251351771 . Rojek, K., & Stoika, V. (2025). The Impact of Electronic Banking on Banking Deposits: The Case of Poland. Management, (1), 719–744. DOI: https://doi.org/10.58691/man/205910 . Ulrich-Diener, F., Dvouletý, O., & Špaček, M. (2025). The Future of Banking: What are the Actual Barriers to Bank Digitalization? BRQ Business Research Quarterly, 28(2), 491–513. DOI: https://doi.org/10.1177/23409444231211597 . Elsaid Elmaasrawy, H., Tawfik, O. I., & Ali Ahmed Almashikhi, M. (2025). The Impact of Disclosing Digital Financial Inclusion Indicators Through Mobile Banking on Deposits, Loans and Sustainable Growth Rate. Cogent Economics and Finance, 13(1). DOI: https://doi.org/10.1080/23322039.2025.2457486 . Ichwani, T., Nisa, C., Sinuraya, M., & Saputra, D. A. (2025). Technical Efficiency of Digital and Non-Digital Banks in Indonesia: A Data Envelopment Analysis (DEA) Approach for the 2024-2025 Period. DOI: https://doi.org/10.38035/dijefa.v6i6 . Evangelyn, F., Ariefianto, Moch. D., Ario, O., & Kurniawan, B. E. D. (2026). Digitalization and Intermediation Inefficiency in Micro Finance: A Study of Indonesia Rural Banks. Journal of Financial Economic Policy, 1–21. DOI: https://doi.org/10.1108/JFEP-09-2025-0404 . Hulu, K., Halim, F., Novita, N., & Firdaus, T. (2021). Analisis Pengaruh Kinerja Perbankaan terhadap Dana Pihak Ketiga pada Bank Umum Konvensional. Jesya (Jurnal Ekonomi & Ekonomi Syariah), 4(2), 1155–1164. DOI: https://doi.org/10.36778/jesya.v4i2.481 . Astina, S., Antu, C., Midu, I., & Isyana, Ya. (2023). Pengaruh Kinerja Keuangan Perbankan terhadap Dana Pihak Ketiga pada Perusahaan Perbankan yang Terdaftar di BEI Periode 2017-2021. Jurnal Akuntansi, Keuangan dan Perbankan, 10. DOI: https://doi.org/10.32722/account.v10i2.5740 . Siregar, H. A. (2022). Financial Performance Effect on Third Party Fund Growth, and Their Impact on Financing in Sharia Commercial Bank in Indonesia, 10, (3) DOI: https://doi.org/10.35145/procuratio.v10i3.2634 . Tsui, A. S. C., Lee, B., & Yau, O. H. M. (2022). The Impact of Executive Board Gender Diversity, R&D Investment, Marketing Expenses on Company Performance in the Healthcare Industry. Journal of Transnational Management, 27(1), 3–36. DOI: https://doi.org/10.1080/15475778.2022.2051397 . Apriliani, R., & Diantini, W. (2021). Pengaruh Beban Promosi terhadap Dana yang Dihimpun Pihak Ketiga pada PT Bank Mandiri Persero Tbk, Jakarta. Jurnal Lentera Akuntansi, 6(1), 62. DOI: https://doi.org/10.34127/jrakt.v6i1.443 . Dewi Herawati, I., & Marbun, R. (2022). Analisis Biaya Promosi terhadap Peningkatan Sumber Dana Pihak Ketiga pada PT. Bank Mandiri. Jurnal Jebaku Ekonomi Bisnis dan Akuntansi, 2(2). DOI: https://doi.org/10.55606/jebaku.v2i2.271 . Winarto, J., Susan, M., & Hartawati, H. (2024). The Impact of Macroeconomic Factors and Internal Company Variables on the Profit of Textile and Garment Sector Companies Listed on the Indonesian Stock Exchange. JPPI (Jurnal Penelitian Pendidikan Indonesia), 10(4), 994–1001. DOI: https://doi.org/10.29210/020244876 . He, S., Jin, Z., Hong, Y., Ma, L., Jiang, Y. E., & Chen, Y. J. (2025). The Impact of Digital Transformation on Commercial Banks’ Business Performance: An Empirical Study of 39 Listed Commercial Banks. SAGE Open, 15(4). DOI: https://doi.org/10.1177/21582440251378869 .	Download Published 2026-07-31 Issue Vol. 8, No. 3 (September 2026): Accepted Section Articles How to Cite Merdekawati, I., & Winarto, J. (2026). The Impact of Interest Rate Differentials, Digital Transformation, BOPO, and Promotional Funds on Third-Party Funds. Jurnal Informatika Ekonomi Bisnis, 8(3), 602-609. https://doi.org/10.37034/infeb.v8i3.1477 ACM ACS APA ABNT Chicago Harvard IEEE MLA Turabian Vancouver Download Citation Endnote/Zotero/Mendeley (RIS) BibTeX This work is licensed under a Creative Commons Attribution 4.0 International License.