I thought I’d do a rudimentary explanation of my profile picture and how it can explain why the cost of housing is increasing and how up-zoning can help. 🧵THREAD🧵 It’s a simple aggregate supply/demand chart where, naturally, the quantity of land is fixed (represented by a vertical line, S to S'). The demand curve (D to D') tends to shift up as people have more means (higher incomes) to afford more desirable locations.