Credit Scoring by Incorporating Dynamic Networked Information

Yibei Li, Ximei Wang, Boualem Djehiche and Xiaoming Hu

Papers from arXiv.org

Abstract: In this paper, the credit scoring problem is studied by incorporating networked information, where the advantages of such incorporation are investigated theoretically in two scenarios. Firstly, a Bayesian optimal filter is proposed to provide risk prediction for lenders assuming that published credit scores are estimated merely from structured financial data. Such prediction can then be used as a monitoring indicator for the risk management in lenders' future decisions. Secondly, a recursive Bayes estimator is further proposed to improve the precision of credit scoring by incorporating the dynamic interaction topology of clients. It is shown that under the proposed evolution framework, the designed estimator has a higher precision than any efficient estimator, and the mean square errors are strictly smaller than the Cram\'er-Rao lower bound for clients within a certain range of scores. Finally, simulation results for a special case illustrate the feasibility and effectiveness of the proposed algorithms.

Date: 2019-05, Revised 2019-10
New Economics Papers: this item is included in nep-ecm and nep-rmg
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Journal Article: Credit scoring by incorporating dynamic networked information (2020)
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Persistent link: https://EconPapers.repec.org/RePEc:arx:papers:1905.11795

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