Cities have lived with exclusionary zoning for decades, if not generations. Is inclusionary zoning the answer? Inclusionary zoning, or IZ, requires developers to set aside a share of units in new buildings for low- or moderate-income households, seeking to increase the supply of affordable homes and integrate neighborhoods racially and socioeconomically. But how well does it accomplish these goals? This week we’re joined by the Mercatus Center’s Dr. Emily Hamilton to discuss her research on how IZ programs have impacted homebuilding and housing prices in the Washington, D.C. region, and the ironic reality that the success of inclusionary zoning relies on the continued existence of exclusionary zoning. Also, Shane and Mike rant about nexus studies. Originally aired in 2022.
Show notes:
- Hamilton, E. (2021). Inclusionary zoning and housing market outcomes. Cityscape, 23(1), 161-194.
- Manville, M., & Osman, T. (2017). Motivations for growth revolts: Discretion and pretext as sources of development conflict. City & Community, 16(1), 66-85.
- Bento, A., Lowe, S., Knaap, G. J., & Chakraborty, A. (2009). Housing market effects of inclusionary zoning. Cityscape, 7-26.
- Li, F., & Guo, Z. (2022). How Does an Expansion of Mandatory Inclusionary Housing Affect Housing Supply? Evidence From London (UK). Journal of the American Planning Association, 88(1), 83-96.
- Schleicher, D. (2012). City unplanning. Yale Law Journal, 7(122), 1670-1737.
- Phillips, S. (2022). Building Up the" Zoning Buffer": Using Broad Upzones to Increase Housing Capacity Without Increasing Land Values. UCLA Lewis Center for Regional Policy Studies.
- Background on the inclusionary zoning program in Los Angeles (struck down in court, but later enabled by the state legislature).
- More on housing voucher policy in our interview with Rob Collinson.
- More on minimum lot size reform in our interview with M. Nolan Gray.
- A blog post questioning whether new market-rate housing actually “creates” demand for low-income housing.
- Los Angeles Affordable Housing Linkage Fee nexus study.
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