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The Pervasiveness and Consequences of Market Failure in UK Sub-Prime Credit Markets and Challenges for Social Policy

Published online by Cambridge University Press:  22 April 2025

Neil McHugh*
Affiliation:
Yunus Centre for Social Business and Health, Glasgow Caledonian University, Glasgow, Scotland, UK
Elena Magli
Affiliation:
Yunus Centre for Social Business and Health, Glasgow Caledonian University, Glasgow, Scotland, UK
Olga Biosca
Affiliation:
Yunus Centre for Social Business and Health, Glasgow Caledonian University, Glasgow, Scotland, UK
Cam Donaldson
Affiliation:
Yunus Centre for Social Business and Health, Glasgow Caledonian University, Glasgow, Scotland, UK National Centre for Epidemiology & Population Health (NCEPH), Australian National University, Canberra, Australia
*
Corresponding author: Neil McHugh; Email: neil.mchugh@gcu.ac.uk
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Abstract

Market failure, around credit provision, typically centres on adverse selection and moral hazard. We utilise a Diverse Economies Framework to distinguish between different types of lender (mainstream, alternative, and non-market) and neoclassical economic theory as an analytic framework to introduce three additional forms of market failure – diseconomies of small scale, externalities, and excess demand and oversupply. This suggests market failure in the UK sub-prime consumer credit market is more comprehensive than previously recognised, increases the argument for government intervention and points to four policy responses – public subsidies, patient capital, regulation, and taxation – to complement and supplement market responses. Without support, not-for-profit sub-prime lenders, such as Community Development Finance Institutions, will continue in their struggle to survive, further exposing an already-vulnerable group of borrowers to even greater debt and associated worse health and wellbeing.

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Type
Article
Creative Commons
Creative Common License - CCCreative Common License - BY
This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution and reproduction, provided the original article is properly cited.
Copyright
© The Author(s), 2025. Published by Cambridge University Press
Figure 0

Table 1. Providers within a diverse economy

Figure 1

Table 2. Conditions for a perfect market