Luxury Builds Lower Rents Faster

A housing model by Boaz Abramson and Tim Landvoigt finds that adding high‑end units reduces prices across all tiers more than building at the bottom. This contradicts popular 'build affordable first' rules and implies inclusionary mandates act like a tax on supply that can backfire on affordability. — If high‑end construction best boosts overall affordability, housing policy should pivot from feel‑good set‑asides to enabling rapid upscale supply and filtering.