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Does limited liability reduce leveraged risk?: The case of loan...

Author
Deb Narayan Barik, Siddhartha P. Chakrabarty
Date Updated
2022/09/26
Category
q-fin.PM
Date Published
2022/09/26
Date Retrieved
2022/09/27
Description
Return-risk models are the two pillars of modern portfolio theory, which are widely used to make decisions in choosing the loan portfolio of a bank. Banks and other financial institutions are subjected to limited liability protection. However, in most of the model formulation, limited liability is not taken into consideration. Accordingly, to address this, we have, in this article, analyzed the effect of including it in the model formulation. We formulate four models, two of them are maximizing the expected return with risk constraint, including and excluding limited-liability, and other two are minimization of risk with threshold level of return with and without limited-liability. Our theoretical results show that the solutions of the models with limited-liability produce better results than the others, in both minimizing risk and maximizing expected return. It has less risky investment than the other portfolio that solves the other model. Finally, an illustrative example is presented to support the theoretical results obtained.
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URL
https://arxiv.org/abs/2209.12636
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