NMa’s Mortgage-Rate-Calculation-Method: Actualization and Reinterpretation

16 Pages Posted: 13 Sep 2012 Last revised: 31 Oct 2013

See all articles by Mark Dijkstra

Mark Dijkstra

Independent

Maarten Pieter Schinkel

University of Amsterdam - Department of Economics; Tinbergen Institute - Tinbergen Institute Amsterdam (TIA)

Date Written: September 13, 2012

Abstract

In this paper we reconstruct the way in which the Netherlands Competition Authority (NMa) estimated monthly profit margins on different types of Dutch mortgages in its Mortgage Market Sector Study published May 2011. These margin series are then extended and consistently updated until July 2012. The series serve as a base for analysing the excess margins after May 2009, when mortgage rates in the Netherlands begin to structurally deviate from those in the rest of Europe, over and above a normal average margin made before the credit crisis hit. The weighted average excess margin is remarkably high at 0.51 percentage points – with the exception of the period between December 2010 and March 2011, when the NMa conducted its sector inquiry. On an average mortgage rate of 4.56%, this implies a price mark up of almost 15%. The excess margin on the variable mortgage rate after May 2009 is found to be consistently positive and averages 0.57 percentage points, which is a price mark up of almost 20%.

Keywords: mortgages, Netherlands, NMa

JEL Classification: G21, L85

Suggested Citation

Dijkstra, Mark and Schinkel, Maarten Pieter, NMa’s Mortgage-Rate-Calculation-Method: Actualization and Reinterpretation (September 13, 2012). Amsterdam Law School Research Paper No. 2012-84; Amsterdam Center for Law & Economics Working Paper No. 2012-07. Available at SSRN: https://ssrn.com/abstract=2145787 or http://dx.doi.org/10.2139/ssrn.2145787

Mark Dijkstra

Independent ( email )

No Address Available

Maarten Pieter Schinkel (Contact Author)

University of Amsterdam - Department of Economics ( email )

Roetersstraat 11
1018 WB Amsterdam
Netherlands
+31 20 525 7132 (Phone)
+31 20 525 5318 (Fax)

Tinbergen Institute - Tinbergen Institute Amsterdam (TIA) ( email )

Gustav Mahlerplein 117
Amsterdam, 1082 MS
Netherlands

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