Regional house price index construction – the case of Sweden

The academic literature on the construction of regional house price indexes usually uses geographic areas whose boundaries are administratively drawn. However such administrative regions might not be optimal for the construction of regional price indexes. When producing housing price indexes, we oft...

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Main Authors: Lars-Erik Ericson, Han-Suck Song, Jakob Winstrand, Mats Wilhelmsson
Format: Article
Language:English
Published: Vilnius Gediminas Technical University 2013-09-01
Series:International Journal of Strategic Property Management
Subjects:
Online Access:https://journals.vgtu.lt/index.php/IJSPM/article/view/4201
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author Lars-Erik Ericson
Han-Suck Song
Jakob Winstrand
Mats Wilhelmsson
author_facet Lars-Erik Ericson
Han-Suck Song
Jakob Winstrand
Mats Wilhelmsson
author_sort Lars-Erik Ericson
collection DOAJ
description The academic literature on the construction of regional house price indexes usually uses geographic areas whose boundaries are administratively drawn. However such administrative regions might not be optimal for the construction of regional price indexes. When producing housing price indexes, we often encounter problems with insufficient number of observations. One way to remedy this problem is to estimate a quarterly index instead of a monthly index. Another possible way to mitigate the thin markets problem is to construct indexes for geographically aggregated regions. However, the literature that discusses methods of dealing with the problem of thin markets and especially geographical aggregation is very rare. The goal of this paper is to construct a housing price index for a major part of Sweden, and to construct price index series for a number of regions. The number of regions, and how their boundaries should be created in order to construct reliable regional price indexes, is however an open question. We apply traditional hedonic methodology in order to estimate house price indexes for both predefined regions whose boundaries are based on a division of labor markets in Sweden, as well as a division of regions based on statistical cluster analysis. The results from this study suggest that regions should be clustered together based on regional price levels and/or price development as clustering variables. If only geographical proximity is used as clustering variable, our computations show that there is a high risk that we end up with some clusters having large standard errors, which in turn might result in inaccurate indexes.
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spelling doaj.art-2da0d62cf260423089c90211c6a4b80b2022-12-21T21:14:52ZengVilnius Gediminas Technical UniversityInternational Journal of Strategic Property Management1648-715X1648-91792013-09-0117310.3846/1648715X.2013.822032Regional house price index construction – the case of SwedenLars-Erik Ericson0Han-Suck Song1Jakob Winstrand2Mats Wilhelmsson3Valuguard Index Sweden AB, SwedenDepartment of Real Estate Economics, Royal Institute of Technology (KTH), Stockholm, SwedenValuguard Index Sweden AB, SwedenInstitute of Urban and Housing Research (IBF), Uppsala University and Center for Banking and Finance, KTH, SwedenThe academic literature on the construction of regional house price indexes usually uses geographic areas whose boundaries are administratively drawn. However such administrative regions might not be optimal for the construction of regional price indexes. When producing housing price indexes, we often encounter problems with insufficient number of observations. One way to remedy this problem is to estimate a quarterly index instead of a monthly index. Another possible way to mitigate the thin markets problem is to construct indexes for geographically aggregated regions. However, the literature that discusses methods of dealing with the problem of thin markets and especially geographical aggregation is very rare. The goal of this paper is to construct a housing price index for a major part of Sweden, and to construct price index series for a number of regions. The number of regions, and how their boundaries should be created in order to construct reliable regional price indexes, is however an open question. We apply traditional hedonic methodology in order to estimate house price indexes for both predefined regions whose boundaries are based on a division of labor markets in Sweden, as well as a division of regions based on statistical cluster analysis. The results from this study suggest that regions should be clustered together based on regional price levels and/or price development as clustering variables. If only geographical proximity is used as clustering variable, our computations show that there is a high risk that we end up with some clusters having large standard errors, which in turn might result in inaccurate indexes.https://journals.vgtu.lt/index.php/IJSPM/article/view/4201Regional house pricesHedonic price indexCluster analysisAggregation
spellingShingle Lars-Erik Ericson
Han-Suck Song
Jakob Winstrand
Mats Wilhelmsson
Regional house price index construction – the case of Sweden
International Journal of Strategic Property Management
Regional house prices
Hedonic price index
Cluster analysis
Aggregation
title Regional house price index construction – the case of Sweden
title_full Regional house price index construction – the case of Sweden
title_fullStr Regional house price index construction – the case of Sweden
title_full_unstemmed Regional house price index construction – the case of Sweden
title_short Regional house price index construction – the case of Sweden
title_sort regional house price index construction the case of sweden
topic Regional house prices
Hedonic price index
Cluster analysis
Aggregation
url https://journals.vgtu.lt/index.php/IJSPM/article/view/4201
work_keys_str_mv AT larserikericson regionalhousepriceindexconstructionthecaseofsweden
AT hansucksong regionalhousepriceindexconstructionthecaseofsweden
AT jakobwinstrand regionalhousepriceindexconstructionthecaseofsweden
AT matswilhelmsson regionalhousepriceindexconstructionthecaseofsweden