Refinancing cross-subsidies in the mortgage market

Fisher, J., Gavazza, A.ORCID logo, Liu, L., Ramadorai, T. & Tripathy, J. (2024). Refinancing cross-subsidies in the mortgage market. Journal of Financial Economics, 158, https://doi.org/10.1016/j.jfineco.2024.103876
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In household finance markets, inactive households can implicitly cross-subsidize active households who promptly respond to financial incentives. We assess the magnitude and distribution of cross-subsidies in the mortgage market. To do so, we build a structural model of household mortgage refinancing and estimate it on rich administrative data covering the stock of outstanding mortgages in the UK. We estimate sizeable cross-subsidies that flow from relatively poorer households and those located in less-wealthy areas towards richer households and those located in wealthier areas. Our work highlights how the design of household finance markets can contribute to wealth inequality.

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