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"These two homes straddle a 2010 zoning boundary change. The result: The house in duplex zoning converted into two homes, and the other converted into a McMansion that cost 80% more." - Arthur Gailes
Three cool sites for data and visualizations
Kevin Erdmann offers a helpful corrective to the “YIMBY triumphalism” of claiming that large relative rent declines in Austin and Minneapolis are results of YIMBY policies. He’s mostly correct, especially about the rhetoric: arguing about housing supply from short term fluctuations is like arguing about climate change based on the week’s weather. Keep your powder dry, promise slow change and long-term stability, and recognize that demand shocks are responsible for most fluctuations. But Erdmann makes a stronger claim: Supply has never and will never cause a collapse of prices and rents. It causes stability. Is that true? In a case like Austin or Phoenix, sure: prices are not too far above the cost of construction, and abundant supply cannot (durably) push the price of new housing below the cost of construction. But YIMBY has more to offer to San Francisco, Auckland, or London. In those cases, prices are far above construction cost. That means that even when demand is relatively soft, there’s money to made in construction. As Erdmann allows: After a decade of more active construction in Auckland, rents appear to be 10% to 15% below the pre-reform trend. That’s a big win. After a decade. That’s what success looks like. That’s the promise – 5 to 15% relative rent declines, decade after decade. But there are several good reasons to believe this won’t happen in an even, steady pattern, at least not all the time. Hopefully by 2040 we’ll have data from several cases and be able to describe the dynamics of market restoration with much more confidence.
The benefit-cost ratio of housing supply subsidies looks terrible. And the state of research is even worse.
The traditional model of cities proves useful yet again - even when researchers neglect their discipline's roots.
NYU professor Arpit Gupta has channeled the annoyance of economists into a blog post directly calling out the Strong Towns "growth Ponzi scheme" line of argument.
A 2017 increase in allowed floor area ratio in Mumbai had a tremendous impact on affordability by accidentally improving the economics of smaller apartments.
How do urbanists respond to a disaster? Emails from Brazil's Rodrigo Rocha show innovation and personal resilience in the face of crisis.
Check out my new post at Metropolitan Abundance Project: How “inclusionary” are market-rate rentals? In metropolitan Baltimore, a family of four making $73,000 in 2024 qualifies for 60% AMI affordable housing, where it would pay $1,825 per month for rent, utilities included. A third of new market-rate three-bedroom units in Baltimore are rented at around that level.Baltimore is typical, as it turns out. In most U.S. metro areas, a substantial share of rentals constructed since 2010 were, in 2021 and 2022, affordable at 60% of AMI… You can also check out maps showing rentals affordable at 80% and 120% of AMI. The ACS data don’t let me distinguish market-rate from subsidized rentals, so these include LIHTC and other subsidized rentals. Those, however, can’t explain away the core result, and the data don’t show the bifurcated market that some people imagine, with a huge gap between market and deed-restricted rents.
Research shows that the implementation of an eviction moratorium significantly disadvantaged African Americans in the housing search process.