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Segmentation and Valuation in  Stockholm Housing Market: Spatial Continuous and Discontinuous Submarkets Evaluating by Hedonic Price Model and XGBoost Model
KTH, School of Architecture and the Built Environment (ABE), Real Estate and Construction Management, Real Estate Economics and Finance.
2023 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesisAlternative title
Segmentering och värdering på Stockholms bostadsmarknad : Rumsliga kontinuerliga och diskontinuerliga delmarknader som utvärderas med hedonisk prismodell och XGBoost-modell (Swedish)
Abstract [en]

The housing market segmentation could provide a reference for more targeted policymaking and investment strategies. Although there have been many studies, there are no consistent submarkets delineating methods because of a lack of theoretical support and subjective evaluation. In this paper, two market segmentation methods are introduced. The continuous spatial segmentation divides properties into submarkets according to their coordinates, while the discontinuous spatial segmentation creates submarkets according to the variable having the most significant impact on the price index, which is the construction year of properties. Two valuation methods, the hedonic price model and the XGBoost regression model, are applied to evaluate the overall Stockholm housing markets and the created. The results proved that both market segmentation methods could improve the valuation prediction accuracy compared to the valuation under the overall Stockholm housing market. The non-spatial continuous market segmentation approach delivers more improvement in valuation accuracy but also has greater volatility. As for the two valuation models, no single valuation method can be absolutely advantageous in any market context.

Abstract [sv]

Segmenteringen av bostadsmarknaden skulle kunna utgöra en referens för mer målinriktade politiska beslut och investeringsstrategier. Även om det har gjorts många studier finns det inga konsekventa metoder för att avgränsa delmarknader på grund av brist på teoretiskt stöd och subjektiv utvärdering. I detta dokument presenteras två metoder för marknadssegmentering. Den kontinuerliga rumsliga segmenteringen delar in fastigheter i delmarknader utifrån deras koordinater, medan den diskontinuerliga rumsliga segmenteringen skapar delmarknader utifrån den variabel som har störst inverkan på prisindexet, vilket är fastigheternas byggnadsår. Två värderingsmetoder, den hedoniska prismodellen och XGBoost-regressionsmodellen, används för att utvärdera Stockholms bostadsmarknad och den skapade marknaden. Resultaten visade att båda marknadssegmenteringsmetoderna kunde förbättra värderingens prediktionsnoggrannhet jämfört med värderingen under den övergripande bostadsmarknaden i Stockholm. Den icke-rumsliga kontinuerliga marknadssegmenteringsmetoden ger större förbättringar i värderingsnoggrannheten men har också större volatilitet. Vad gäller de två värderingsmodellerna kan ingen enskild värderingsmetod vara helt fördelaktig i något marknadssammanhang.

Place, publisher, year, edition, pages
2023. , p. 46
Series
TRITA-ABE-MBT ; 23287
Keywords [en]
"housing market segmentation", " spatial continuity", "hedonic price model", "XGBoost model", "segmentering av bostadsmarknaden", "rumslig kontinuitet", "hedonisk prismodell", "XGBoost modell"
National Category
Civil Engineering
Identifiers
URN: urn:nbn:se:kth:diva-329258OAI: oai:DiVA.org:kth-329258DiVA, id: diva2:1770026
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Available from: 2023-06-19 Created: 2023-06-19 Last updated: 2023-06-19Bibliographically approved

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CiteExportLink to record
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