Permitting rose sharply after Auckland upzoned.

The estimated effects become positive after the reform for both attached and detached homes.

FROM THE PAPERFigure 6 · Estimated treatment effects on dwelling permits

Source: Greenaway-McGrevy & Phillips (2023) · Figure 6; PDF p. 34

Keep in mind: The outcome is permits per statistical area, not completed homes; the control comparison relies on non-upzoned areas.

Share the evidence

The estimated effects become positive after the reform for both attached and detached homes.

Source: Greenaway-McGrevy & Phillips (2023)
Figure: Figure 6 · Estimated treatment effects on dwelling permits · Figure 6; PDF p. 34
Keep in mind: The outcome is permits per statistical area, not completed homes; the control comparison relies on non-upzoned areas.

Too many people are chasing too few homes. See why—and what communities can do about it.