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Energy Performance Certificate as One of Mortgage Default Determinants in the Czech Republic
Strašlipka, Jakub ; Pečená, Magda (advisor) ; Švéda, Josef (referee)
This thesis examines effects of buildings' energy efficiency, approximated by energy performance certificates, on default probabilities of mortgages in the Czech Republic. Data for the analysis is provided by a large Czech bank - cleaned sample contains information on 125 641 loans and is split into three groups based on collateral energy performance. Logit regression is employed for calculation of default probabilities and variations in conventional default predic- tors are controlled for. It is shown that mortgages on properties with certificate classes A, B have lower probabilities of default than those with certificate classes C, D by 7.1 bp (about 40%), ceteris paribus, whereas no statistical difference is found between default probabilities of mortgages on properties with classes C, D and those with classes E, F, G. The results can be considered by local banks in creation of climate risk management frameworks or in assessments of policies' impacts, or by other stakeholders in managing their expectations from banks. Due to partial use of the bank's internally estimated certificate proxies in the analysis and inconclusive results in a subsample of official certificates, follow-up research to confirm this thesis' findings is recommended.
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