Fundamentals and the volatility of real estate prices in China

A sequential modelling strategy

Yongheng Deng, Eric Girardin*, Roselyne Joyeux

*Corresponding author for this work

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

In a similar way to the stock market, the housing market in China has often been portrayed as highly speculative, giving rise to "bubble" concerns. Over the last decade, residential prices increased every year on average by double digits in Beijing or Shanghai. However many observers and researchers argue that fundamentals of the housing sector, both sector-specific and macroeconomic, may have been the driving force behind housing price volatility. While existing empirical work exclusively relies on the government housing prices which may suffer from the well-documented downward bias, this paper uses original high frequency unit price as well as transaction series for the residential resale housing markets of Beijing and Shanghai between January 2005 and December 2010 to test alternative hypotheses about housing prices volatility.We propose a sequential strategy in five steps integrating several techniques previously developed in a piecemeal and scattered way. First, we construct daily hedonic prices. Second, in order to search for the possible presence of bubbles on such high-frequency data, we propose using recently developed tests of an explosive root as an alternative to the unit root hypothesis. The third step is generated by the necessity of handling microstructure noise present at a daily frequency, thus filtering the raw data to extract a random walk component. The fourth step extracts a slowly changing monthly volatility component from the filtered daily hedonic real estate data. Finally, in so far as the presence of bubbles does not seem to characterize the residential housing market in major Chinese cities, such as Beijing and Shanghai, in a fifth step we show that fundamentals are able to explain slowly changing volatility, as well as transaction volumes in these first-tier cities.

Original languageEnglish
Pages (from-to)205-222
Number of pages18
JournalChina Economic Review
Volume48
DOIs
Publication statusPublished - Apr 2018

Keywords

  • Bubbles
  • China
  • Conditional variance
  • Housing prices
  • MIDAS

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