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Endogeneity in household mortgage choice

Mardi Dungey, Firmin Doko Tchatoka () and María B. Yanotti

Economic Modelling, 2018, vol. 73, issue C, 30-44

Abstract: We show that failing to correct for both sample selection and endogeneity bias leads to an under-estimate of the importance of mortgage price in determining the mortgage product a household selects. With proprietary, loan-level data from a major Australian mortgage provider we study interest rate determination, loan size and mortgage product choice. The level of mortgage indebtedness varies with the value and characteristics of the property, while individual mortgage interest rates depend on borrower characteristics. Our results show that borrowers consider the initial interest rate and implicitly the loan amount they can access when choosing a mortgage product.

Keywords: Mortgages; Interest rate; Selection bias; Endogeneity; IV (search for similar items in EconPapers)
JEL-codes: G2 R2 R3 C1 (search for similar items in EconPapers)
Date: 2018
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