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Modelling New Zealand mortgage interest rates?

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Determinants of New Zealand mortgage interest rates are examined, including how changes in the OCR are transmitted through the wholesale cost of funds to mortgage rates. Mortgage rates are modelled as a mark-up over banks' marginal funding cost. The results suggest that banks frequently diverge from a simple marginal cost-pricing model. Marginal cost pricing of mortgages appears to hold only in the long run. Floating mortgage rates and short-term fixed rates are closest to showing a full pass-through of changes in marginal costs.

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  • Enzo Cassino, 2012. "Modelling New Zealand mortgage interest rates?," Reserve Bank of New Zealand Analytical Notes series AN2012/10, Reserve Bank of New Zealand.
  • Handle: RePEc:nzb:nzbans:2012/10
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    File URL: http://www.rbnz.govt.nz/-/media/ReserveBank/Files/Publications/Analytical%20notes/2012/an2012-10.pdf
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    1. Reint Gropp & Christoffer Kok & Jung-Duk Lichtenberger, 2014. "The Dynamics of Bank Spreads and Financial Structure," Quarterly Journal of Finance (QJF), World Scientific Publishing Co. Pte. Ltd., vol. 4(04), pages 1-53.
    2. Anindya Banerjee & Victor Bystrov & Paul Mizen, 2013. "How Do Anticipated Changes to Short‐Term Market Rates Influence Banks' Retail Interest Rates? Evidence from the Four Major Euro Area Economies," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 45(7), pages 1375-1414, October.
    3. Iva Cecchin, 2011. "Mortgage Rate Pass-Through in Switzerland," Working Papers 2011-08, Swiss National Bank.
    4. Maudos, Joaquin & Fernandez de Guevara, Juan, 2004. "Factors explaining the interest margin in the banking sectors of the European Union," Journal of Banking & Finance, Elsevier, vol. 28(9), pages 2259-2281, September.
    5. Saunders, Anthony & Schumacher, Liliana, 2000. "The determinants of bank interest rate margins: an international study," Journal of International Money and Finance, Elsevier, vol. 19(6), pages 813-832, December.
    6. Leo Krippner, 2010. "Connecting the dots: a yield curve perspective on New Zealand’s interest rates," Reserve Bank of New Zealand Bulletin, Reserve Bank of New Zealand, vol. 73, September.
    7. Leo Krippner & Leif Anders Thorsrud, 2009. "Forecasting New Zealand's economic growth using yield curve information," Reserve Bank of New Zealand Discussion Paper Series DP2009/18, Reserve Bank of New Zealand.
    8. Diebold, Francis X. & Rudebusch, Glenn D. & Borag[caron]an Aruoba, S., 2006. "The macroeconomy and the yield curve: a dynamic latent factor approach," Journal of Econometrics, Elsevier, vol. 131(1-2), pages 309-338.
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    Cited by:

    1. Funke, Michael & Kirkby, Robert & Mihaylovski, Petar, 2017. "House prices and macroprudential policy in an estimated DSGE model of New Zealand," Working Paper Series 6354, Victoria University of Wellington, School of Economics and Finance.

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