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Banks’ efficiency and credit risk analysis using by-production approach: the case of Iranian banks

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  • Ruhul Salim
  • Amir Arjomandi
  • K. Hervé Dakpo

Abstract

This article uses a by-production approach that integrates credit risk to monitor bank efficiency. The method overcomes the possible misspecification issues of the commonly assumed weak disposability (WDA) of undesirable outputs. In addition, our measure extends the classic by-production approach by including statistical aspects through subsampling techniques. We have also provided an algorithm to correct related infeasibilities. Using this approach, we investigate the performance of Iranian banks and credit risk management in the sector for the period 1998–2012. Non-performing loans (NPLs) have been used as an undesirable output and proxy for credit risk in our models. Based on our empirical results, although the banks generally exhibited efficiency improvements over time, their credit risk performance deteriorated considerably after the regulatory changes introduced in 2005. These findings confirm that credit quality can be monitored more actively across Iranian banks.

Suggested Citation

  • Ruhul Salim & Amir Arjomandi & K. Hervé Dakpo, 2017. "Banks’ efficiency and credit risk analysis using by-production approach: the case of Iranian banks," Applied Economics, Taylor & Francis Journals, vol. 49(30), pages 2974-2988, June.
    • Handle: RePEc:taf:applec:v:49:y:2017:i:30:p:2974-2988
    DOI: 10.1080/00036846.2016.1251567
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    Citations

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    Cited by:

    1. Salah Mohammed Abdulahi & Mekonnen Kumlachew Yitayaw & Habtamu Legese Feyisa & Wondmagegn Biru Mamo, 2023. "Factor affecting technical efficiency of the banking sector: Evidence from Ethiopia," Cogent Economics & Finance, Taylor & Francis Journals, vol. 11(1), pages 2186039-218, December.
    2. Arjomandi, Amir & Dakpo, K. Hervé & Seufert, Juergen Heinz, 2018. "Have Asian airlines caught up with European Airlines? A by-production efficiency analysis," Transportation Research Part A: Policy and Practice, Elsevier, vol. 116(C), pages 389-403.
    3. Najat Shakir Mahmood & Elsadig Musa Ahmed, 2023. "Mediating effect of risk management practices in Iraqi private banks financial performance," Journal of Financial Services Marketing, Palgrave Macmillan, vol. 28(2), pages 358-377, June.
    4. Gulati, Rachita, 2022. "Global and local banking crises and risk-adjusted efficiency of Indian banks: Are the impacts really perspective-dependent?," The Quarterly Review of Economics and Finance, Elsevier, vol. 84(C), pages 23-39.
    5. Le, Phuong Thanh & Harvie, Charles & Arjomandi, Amir & Borthwick, James, 2019. "Financial liberalisation, bank ownership type and performance in a transition economy: The case of Vietnam," Pacific-Basin Finance Journal, Elsevier, vol. 57(C).
    6. F. Ang & K. H. Dakpo, 2021. "Comment: Performance measurement and joint production of intended and unintended outputs," Journal of Productivity Analysis, Springer, vol. 55(3), pages 185-188, June.
    7. Moradi-Motlagh, Amir & Jubb, Christine, 2020. "Examining irresponsible lending using non-radial inefficiency measures: Evidence from Australian banks," Economic Analysis and Policy, Elsevier, vol. 66(C), pages 96-108.
    8. Losa, Eduardo Tola & Arjomandi, Amir & Hervé Dakpo, K. & Bloomfield, Jason, 2020. "Efficiency comparison of airline groups in Annex 1 and non-Annex 1 countries: A dynamic network DEA approach," Transport Policy, Elsevier, vol. 99(C), pages 163-174.

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