We examine the impact of household mortgages on house prices. Using biannual data on Italian cities in the period 2003–2015, we build an exogenous and fully data-driven indicator of mortgage supply stance and use it as instrument for actual extended mortgages. Our results indicate that mortgages have a positive and significant causal effect on house prices, with an estimated elasticity of around 0.1. The estimated effect is larger during the expansionary phase of the housing cycle. We also find evidence of significant spatial heterogeneity: mortgages push real estate values more in cities where the housing supply curve is less elastic or households are more dependent on external finance.
CITATION STYLE
Barone, G., David, F., de Blasio, G., & Mocetti, S. (2021). How do house prices respond to mortgage supply? Journal of Economic Geography, 21(1), 127–140. https://doi.org/10.1093/jeg/lbaa012
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