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Social Networks and Housing Markets

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  • Bailey, Michael
  • Cao, Ruiqing
  • Kuchler, Theresa
  • Ströbel, Johannes

Abstract

We document that the recent house price experiences within an individual's social network affect her perceptions of the attractiveness of property investments, and through this channel have large effects on her housing market activity. Our data combine anonymized social network information from Facebook with housing transaction data and a survey. We first show that in the survey, individuals whose geographically-distant friends experienced larger recent house price increases consider local property a more attractive investment, with bigger effects for individuals who regularly discuss such investments with their friends. Based on these findings, we introduce a new methodology to document large effects of housing market expectations on individual housing investment decisions and aggregate housing market outcomes. Our approach exploits plausibly-exogenous variation in the recent house price experiences of individuals' geographically-distant friends as shifters of those individuals' local housing market expectations. Individuals whose friends experienced a 5 percentage points larger house price increase over the previous 24 months (i) are 3.1 percentage points more likely to transition from renting to owning over a two-year period, (ii) buy a 1.7 percent larger house, (iii) pay 3.3 percent more for a given house, and (iv) make a 7% larger downpayment. Similarly, when homeowners' friends experience less positive house price changes, these homeowners are more likely to become renters, and more likely to sell their property at a lower price. We also find that when individuals observe a higher dispersion of house price experiences across their friends, this has a negative effect on their housing investments. Finally, we show that these individual-level responses aggregate up to affect county-level house prices and trading volume. Our findings suggest that the house price experiences of geographically-distant friends might provide a valid instrument for local house price growth.

Suggested Citation

  • Bailey, Michael & Cao, Ruiqing & Kuchler, Theresa & Ströbel, Johannes, 2016. "Social Networks and Housing Markets," CEPR Discussion Papers 11272, C.E.P.R. Discussion Papers.
  • Handle: RePEc:cpr:ceprdp:11272
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    Cited by:

    1. Xavier Giroud & Holger M. Mueller, 2017. "Firms' Internal Networks and Local Economic Shocks," NBER Working Papers 23176, National Bureau of Economic Research, Inc.
    2. Xavier Giroud & Holger M. Mueller, 2016. "Redistribution of Local Labor Market Shocks through Firms’ Internal Networks," NBER Working Papers 22396, National Bureau of Economic Research, Inc.
    3. Anthony A. DeFusco & Charles G. Nathanson & Eric Zwick, 2017. "Speculative Dynamics of Prices and Volume," NBER Working Papers 23449, National Bureau of Economic Research, Inc.
    4. Giroud, Xavier & Mueller, Holger M, 2016. "Redistribution of Local Demand Shocks through Firms' Internal Networks," CEPR Discussion Papers 11384, C.E.P.R. Discussion Papers.
    5. Xavier Giroud & Holger M. Mueller, 2017. "Redistribution of Local Labor Market Shocks through Firms’ Internal Networks," Working Papers 17-03, Center for Economic Studies, U.S. Census Bureau.
    6. Aikman, David & Haldane, Andrew & Hinterschweiger, Marc & Kapadia, Sujit, 2018. "Rethinking financial stability," Bank of England working papers 712, Bank of England.
    7. Eric Zwick & Charles Nathanson & Anthony DeFusco, 2017. "Speculative Dynamics of Prices and Volume," 2017 Meeting Papers 239, Society for Economic Dynamics.

    More about this item

    Keywords

    disagreement; Expectation Formation; House Price Dynamics; Social Networks;

    JEL classification:

    • D12 - Microeconomics - - Household Behavior - - - Consumer Economics: Empirical Analysis
    • D14 - Microeconomics - - Household Behavior - - - Household Saving; Personal Finance
    • D84 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Expectations; Speculations
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • R21 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - Household Analysis - - - Housing Demand

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