UCLA Housing Voice

Why is exclusionary zoning, which restricts land to expensive single-family houses, so commonplace in the US compared to other countries? Alexander Sahn shares strong evidence that local responses to a wave of migration by Southern Blacks in the middle of the 20th century played a big role.
Read about the Lewis Center's work at lewis.ucla.edu.
Follow our Substack at uclahousingvoice.substack.com.
Email Shane at at shanephillips@ucla.edu and follow him on Bluesky and LinkedIn.
Show notes:
Sahn, A. (2025). Racial diversity and exclusionary zoning: Evidence from the Great Migration. The Journal of Politics, 87(4), 1302-1318.
Boustan, L. P. (2007). Black migration, white flight: the effect of black migration on northern cities and labor markets. The Journal of Economic History, 67(2), 484-488.
Derenoncourt, E. (2022). Can you move to opportunity? Evidence from the Great Migration. American Economic Review, 112(2), 369-408.
Grant, K. N. (2014). Relocation and Realignment: How the Great Migration Changed the Face of the Democratic Party. Syracuse University.
Cui, T. (2024). Did race fence off the American city? The great migration and the evolution of exclusionary zoning [working paper].
Gallagher, R., Shertzer, A., & Twinam, T. (2026). Zoning and the American Suburb (No. 26-37). Federal Reserve Bank of Philadelphia.
Lens, M. C. (2024). Where the hood at?: Fifty years of change in black neighborhoods. Russell Sage Foundation.
Episode 23 of UCLA Housing Voice, on political representation and housing supply with Michael Hankinson.

This episode features clips from a few episodes of Michael Andersen's one-shot podcast series, YIMBY Country: "A podcast mini-series about what happens after you legalize housing. In this case, in New Zealand."
Read about the Lewis Center's work at lewis.ucla.edu.
Follow our Substack at uclahousingvoice.substack.com.
Email Shane at at shanephillips@ucla.edu and follow him on Bluesky and LinkedIn.
Show notes:
Listen to YIMBY Country on Apple Podcasts and Spotify.
Episode 45 of UCLA Housing Voice: What Happened When Auckland Upzoned Everywhere with Ryan Greenaway-McGrevy.
Episode 81 of UCLA Housing Voice: How New Zealand Passed Its Ambitious Zoning Reforms with Eleanor West. 
Part 1 of the New Zealand Initiative's three-part series.

When cities adopt exclusionary zoning, their housing stock becomes scarcer and less affordable over time. Matt Mleczko shares research suggesting that the impacts extend beyond exclusionary jurisdictions’ borders, hurting poor communities that have no say over their neighbors’ land use policies.
Read about the Lewis Center's work at lewis.ucla.edu.
Follow our Substack at uclahousingvoice.substack.com.
Email Shane at at shanephillips@ucla.edu and follow him on Bluesky and LinkedIn.
Show notes:
Mleczko, M. (2026). The Cumulative Exposure to Exclusionary Zoning in Impoverished Neighborhoods. Demography, 63(1), 213-239.
The National Zoning and Land Use Database.
Jones, P. (2010). The Selma of the North: Civil Rights Insurgency in Milwaukee. Harvard University Press.
Wikipedia page on ‘Sewer Socialism,’ a movement that started in Milwaukee.
Perry, E. M. (2017). Live and Let Live: Diversity, Conflict, and Community in an Integrated Neighborhood. University of North Carolina Press.
Fischel, W. A. (2015). Zoning Rules! The Economics of Land Use Regulation. Lincoln Institute of Land Policy. 
Goetz, E. G., Damiano, A., & Williams, R. A. (2019). Racially concentrated areas of affluence. Cityscape, 21(1), 99-124.
Taylor, K. (2019). Race for Profit: How Banks and the Real Estate Industry Undermined Black Homeownership. University of North Carolina Press.
Connolly, B., & Kazis, N. (2026). Rezoning the Rust Belt [working paper]. SSRN.

Supply skeptics don’t believe that building more homes improves affordability. Vicki Been tells us what the latest research says about their main arguments.
Read about the Lewis Center's work at lewis.ucla.edu.
Follow our Substack at uclahousingvoice.substack.com.
Email Shane at at shanephillips@ucla.edu and follow him on Bluesky and LinkedIn.
Show notes:
Been, V., Ellen, I. G., & O’Regan, K. (2025). Supply skepticism revisited. Housing Policy Debate, 35(1), 96-113.
Been, V., Ellen, I. G., & O’Regan, K. (2019). Supply skepticism: Housing supply and affordability. Housing Policy Debate, 29(1), 25-40.
Fang, L., Kim, E., & Tyndall, J. (2025). The downmarket impact of new multifamily housing: Evidence from a Honolulu condo tower. Real Estate Economics.
Grabar, H. (2026). High-End Construction Really Does Help Everyone. The Atlantic. 
Shane’s Substack post on the share of households living in recently-built housing who come from the same/different metro area or from within 50 or 100 miles of their new home.
Pew Charitable Trusts Youtube video: “Building More Housing Creates 'Moving Chains' of Affordability”.
Rollet, V. (2025). Can We Rebuild a City? The Dynamics of Urban Redevelopment [working paper].
Giacoletti, M., Korevaar, M., & Qian, F. (2025). How Housing Supply Expansions Reshape Cities [working paper].
Furman Center Land Use Reform Tracker.
Soltas, E., & Gruber, J. (2026). How Costly Is Permitting in Housing Development? [working paper].

Transit agencies are using microtransit services to increase the reach and access of their overall service. We talk with Mike Hyland about how agencies can think about pricing and fleet sizing to balance cost and service. Also, how should agencies measure the overall success of their microtransit services?
Show notes:
Hyland, M., Saha, R., & Hu, S. (2026). Peak Pricing and Transfer Discounts Can Make Microtransit More Efficient. UC Office of the President: University of California Institute of Transportation Studies. http://dx.doi.org/10.7922/G2HT2MPD
Saha, Ritun and Hu, Siwei and Hyland, Michael, Optimal Fare Policy and Fleet Sizing for an Integrated Fixed-Route Transit and Microtransit System (August 02, 2025). Available at SSRN: http://dx.doi.org/10.2139/ssrn.5382012 
Hyland, M., Watkins, K., Shaheen, S., & Martin, E. (2026). What Should Agencies Measure to Decide If Microtransit Is Working? UC Office of the President: University of California Institute of Transportation Studies. http://dx.doi.org/10.7922/G2ZW1JBF
Hyland, M. F; Pike, S.; Hu, S.; Berkel, J.; Xing, Y.; Saha, R., et al. (2024). Integrating Microtransit Service with Traditional Fixed-Route Transit Costs More but Greatly Improves Access to Jobs. UC Office of the President: University of California Institute of Transportation Studies. http://dx.doi.org/10.7922/G2TH8K2W
Slosky, J., Silver, F., Schuchard, J., Schuchard, R., and Welsh, D. (2022) Microtransit definitions, trends, and applications. Calstart https://calstart.org/wp-content/uploads/2022/01/CALSTART-Microtransit-Overview.pdf
Miriam Pinski, Anne Brown, Nicholas Perloff-Giles (2026). Is microtransit a cost-effective alternative or a costly competitor to public transit?, Cities,Volume 169, 2026, https://doi.org/10.1016/j.cities.2025.106490.