Is There an Extremely Simple Fix for Affordable Housing?

Episode Summary

Executive Summary: The episode argues that the U.S. housing shortage is largely a policy-created problem. Guest Kevin Erdman contends post-2008 tightening of mortgage credit, combined with local zoning limits, shut out marginal but viable buyers, crushed starter-home demand, and shifted new construction toward rentals and higher-end homes. The hosts debate whether easing credit could revive supply and whether privatizing Fannie and Freddie would improve or worsen access.

Main Topics: Post-GFC credit tightening as a cause of the housing shortage (Priority: 5/5): Erdman argues that after the financial crisis, mortgage standards tightened dramatically and permanently, excluding many would-be buyers and reducing starter-home demand nationwide. Reinterpreting the 2008 housing bust (Priority: 5/5): The discussion challenges the common story that the crisis was mainly caused by speculation and overbuilding, arguing instead that many 'bubble' markets were absorbing displaced households from supply-constrained coastal cities. The link between credit access and housing supply (Priority: 5/5): The guests connect mortgage availability to construction incentives: when lower-income buyers cannot qualify, builders stop producing starter homes because the resale market no longer supports them. Fannie Mae, Freddie Mac, and the ‘QM patch’ (Priority: 4/5): The episode explains how government-backed agencies and regulatory liability protections became the dominant channel for mortgages, while private lenders retreated from anything with meaningful default risk. Build-to-rent and housing market bifurcation (Priority: 4/5): Because owner-occupier credit is constrained, institutional buyers and landlords have become more important marginal buyers of new homes, accelerating the build-to-rent trend. Zoning and apartment supply (Priority: 3/5): Erdman and the hosts note that if cities allowed more apartment construction, some of the pressure might have shifted away from single-family housing, but local zoning remains a major constraint. What housing should be for in America (Priority: 3/5): The episode closes with a broader debate over whether housing is primarily an investment vehicle or a consumption good meant to provide stable shelter and ownership.

Key Arguments: Post-2008 policy changes aimed at preventing another bubble overshot and created a durable credit squeeze for marginal borrowers. The housing bust in places like Phoenix, Las Vegas, Nevada, and Arizona was not just speculation; it reflected households moving to lower-cost regions because supply-constrained coastal cities had become too expensive. Mortgage standards became much stricter after 2008: average approved borrower credit scores rose sharply, and many low-FICO but otherwise stable buyers were effectively excluded. Once lower-income buyers were priced out, existing home prices fell below the economics of new starter-home construction, so builders stopped making them. Private lenders would not step in easily because regulatory penalties and repurchase/default-liability risks make low-dollar, higher-risk mortgages unattractive. Fannie and Freddie now function less like subsidies to borrowers and more like a monopoly on default risk, with government backing enabling tight underwriting and large profits. Build-to-rent is growing because institutions can access credit more easily than individual lower-income households. Looser lending alone would not solve the crisis if local zoning continues to block enough apartments and new housing supply overall.

Data Points: Podcast length: 5 minutes or less - Describes Bloomberg's Stock Movers promo at the start and end of the transcript. Credit-score increase for typical Fannie/Freddie borrowers: about 710 to about 760 - Erdman says the average approved borrower’s score rose by roughly 40-50 points after 2008 and stayed high. Potential families affected: 10 million to 20 million families - Erdman estimates the number of families who lost access to mortgage funding pre- versus post-2008. LA population decline: down about 3% to 4% from its 2017 peak - Used as an example of supply-constrained coastal metro outmigration. Pre-2008 and post-2008 time frame: late 1990s to 2008/2009 - Erdman contrasts earlier standards with the post-crisis tightening period. New home sales at higher price points: about half a million units a year before 2008; negligible by 2017 - Cited to show how starter/mid-market construction collapsed after the mortgage crackdown. Price-to-income ratios in Phoenix: about 3x tenant incomes - Presented as evidence that housing can support homeownership without appreciation-driven speculation. Housing construction shift: about 1 million apartments a year versus 300,000 to 400,000 historically - Erdman argues apartments could have replaced some single-family pressure if zoning allowed it. Mortgage subsidy estimate: about a quarter of a percent - Erdman suggests pre-2008 agencies may have lowered average mortgage rates modestly. Qualifying threshold example: 620 FICO - Host mentions FHA/Fannie/Freddie-type minimum-score examples to question whether credit access really changed.

Pivotal Quotes: "We may have overshot." — Joe Weisenthal: Introduces Erdman’s thesis that post-GFC reforms went too far in restricting credit. "Since 2008, really, they’re just running a monopoly on default risk" — Kevin Erdman: Explains his view that government-backed agencies now dominate risky mortgage lending and keep standards very tight. "If we ban that, then we really are legislating homelessness in effect." — Kevin Erdman: Warns that banning corporate ownership of single-family homes could eliminate one of the few remaining channels for marginal housing demand.

Implications: If Erdman is right, housing affordability policy should focus on relaxing mortgage underwriting, reducing regulatory liability, and loosening zoning, not just blaming speculation. The market may keep shifting toward rentals and institutional ownership unless access for marginal owner-occupiers improves.