Shakira, Naja (2026) Pengaruh NIM, BOPO, dan LDR terhadap ROA dengan Firm Size sebagai Variabel Moderasi pada Bank Konvensional yang Terdaftar di BEI Tahun 2020–2024. Undergraduate thesis, Universitas Muhammadiyah Surabaya.
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Abstract
Penelitian ini bertujuan untuk menganalisis pengaruh NIM, BOPO dan LDR terhadap ROA dengan Firm Size sebagai variabel moderasi pada bank konvensional yang terdaftar di Bursa Efek Indonesia (BEI) selama periode 2020–2024. Penelitian ini menggunakan pendekatan kuantitatif dengan metode analisis regresi moderasi. Sampel terdiri dari 25 perusahaan yang dipilih menggunakan metode purposive sampling, menghasilkan total 125 data observasi selama lima tahun. Analisis data dilakukan menggunakan regresi data panel dan Moderated Regression Analysis (MRA) dengan bantuan perangkat lunak EViews12. Hasil penelitian menunjukkan bahwa NIM tidak berpengaruh signifikan terhadap ROA. Sebaliknya, BOPO berpengaruh signifikan terhadap ROA, serta LDR juga berpengaruh signifikan terhadap ROA. Hasil pengujian moderasi menunjukkan bahwa Firm Size tidak mampu memoderasi hubungan antara NIM terhadap ROA, BOPO terhadap ROA, maupun LDR terhadap ROA. Dengan demikian, besar kecilnya ukuran perusahaan belum mampu memperkuat ataupun memperlemah pengaruh NIM, BOPO, dan LDR terhadap profitabilitas bank yang diukur melalui ROA. Nilai koefisien determinasi (R²) pada model regresi sebesar 0,870859 menunjukkan bahwa 87,08% variasi ROA dapat dijelaskan oleh variabel NIM, BOPO, LDR, dan Firm Size. Setelah dilakukan pengujian moderasi, nilai R² meningkat menjadi 0,874852, yang menunjukkan bahwa model mampu menjelaskan 87,49% variasi ROA. Penelitian ini memberikan implikasi bahwa efisiensi operasional dan kemampuan penyaluran kredit merupakan faktor yang lebih menentukan profitabilitas perbankan dibandingkan kemampuan menghasilkan pendapatan bunga bersih, sementara ukuran perusahaan belum terbukti memperkuat hubungan tersebut pada bank konvensional yang terdaftar di BEI periode 2020–2024.
Kata Kunci: Net Interest Margin, Biaya Operasional Pendapatan Operasional, Loan to Deposit Ratio, Return on Assets, Firm Size
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This study aims to analyze the effect of NIM, BOPO, and LDR on ROA with Firm Size as a moderating variable in conventional banks listed on the Indonesia Stock Exchange (IDX) during the 2020–2024 period. This study used a quantitative approach with a moderated regression analysis method. The sample consisted of 25 companies selected using a purposive sampling method, resulting in a total of 125 observational data over five years. Data analysis was performed using panel data regression and Moderated Regression Analysis (MRA) with the aid of EViews12 software. The results showed that NIM had no significant effect on ROA. Conversely, BOPO had a significant effect on ROA, and LDR also had a significant effect on ROA. The results of the moderation test showed that Firm Size was unable to moderate the relationship between NIM and ROA, BOPO on ROA, or LDR on ROA. Thus, company size has not been able to strengthen or weaken the influence of NIM, BOPO, and LDR on bank profitability as measured by ROA. The coefficient of determination (R²) in the regression model was 0.870859, indicating that 87.08% of the variation in ROA can be explained by the variables NIM, BOPO, LDR, and Firm Size. After a moderation test, the R² value increased to 0.874852, indicating that the model was able to explain 87.49% of the variation in ROA. This study implies that operational efficiency and credit disbursement capacity are more important determinants of bank profitability than the ability to generate net interest income. However, firm size has not been shown to strengthen this relationship in conventional banks listed on the IDX for the 2020–2024 period.
Keywords: Net Interest Margin, Operating Costs, Operating Income, Loan to Deposit Ratio, Return on Assets, Firm Size
| Item Type: | Thesis (Undergraduate) |
|---|---|
| Uncontrolled Keywords: | Net Interest Margin, Operating Costs Operating Income, Loan to Deposit Ratio, Return on Assets, Firm Size, Net Interest Margin, Biaya Operasional Pendapatan Operasional, Loan to Deposit Ratio, Return on Assets, Firm Size |
| Subjects: | H Social Sciences > HD Industries. Land use. Labor > HD28 Management. Industrial Management H Social Sciences > HG Finance |
| Divisions: | 02. Fakultas Ekonomi dan Bisnis > Manajemen |
| Depositing User: | Naja Shakira |
| Date Deposited: | 28 Sep 2026 03:17 |
| Last Modified: | 28 Sep 2026 03:17 |
| URI: | https://repository.um-surabaya.ac.id/id/eprint/14387 |
