Optimization of floor area ratio regulation in a growing city

Kirti Kusum Joshi, Tatsuhito Kono

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56 Citations (Scopus)


Maximum floor area ratio (FAR) regulation is widely imposed in cities to mitigate negative population externalities (e.g. congestion). This paper presents determination of optimal FAR regulation in a two-zone city with a growing population. Results show the following. 1) Maximum FAR regulation alone is generally insufficient. It should be accompanied by minimum FAR regulation in one zone. 2) Optimal regulation at a particular time depends on expected changes in zonal populations over the longest replacement time among newly built buildings at that time. 3) Zonal optimal FAR is expected to vary with time, which might even necessitate replacement of maximum FAR with minimum FAR, and vice versa.

Original languageEnglish
Pages (from-to)502-511
Number of pages10
JournalRegional Science and Urban Economics
Issue number4
Publication statusPublished - 2009 Jul


  • Congestion
  • Deadweight loss
  • Floor area ratio
  • Population externality


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