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April 27, 2026Journal of the City Planning Institute of JapanOpen Access

Estimating negative externalities from dilapidated vacant houses

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Authors

MSMasatomo SuzukiIAIkuto Aiba

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Overview

Estimates the economic impact of neglected vacant houses in Yokohama, suggesting the need for proactive management solutions.

Key Points

  • The aim is to assess the economic negative externalities imposed by mismanaged vacant houses in Yokohama.
  • Utilized vacant house management ledger data to analyze economic impacts
  • Measured property value decreases associated with neglected homes
  • Estimated total externalities across Yokohama for the year 2022
  • Neglected vacant houses reduce property values by approximately 2% for each affected house in the same residential area
  • Total estimated external economic impact in Yokohama for 2022 is approximately 1.75 billion yen under specific assumptions
  • Newly appearing neglected houses generate additional negative externalities, particularly in areas already affected by multiple cases.

Cite This Study

Suzuki et al. (2026) studied this question.

synapsesocial.com/papers/69eefc6dfede9185760d36e0https://doi.org/10.11361/journalcpij.61.80
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