9708 · 3.2
Methods and effects of government intervention in markets
**Intervention methods** (3.2) follows **3.1 reasons**. Show **before/after equilibrium** and **surplus changes**.
Need to know
What you need to know
- Shifts the supply curve vertically upwards, increasing price and reducing quantity.
- Tax incidence depends on relative PED and PES; the more inelastic group bears a larger burden.
- Creates government revenue but reduces both consumer and producer surplus.
- Results in a deadweight loss, indicating a loss of allocative efficiency.
Explanation
Methods and effects of government intervention in markets
- Shifts the supply curve vertically upwards, increasing price and reducing quantity.
- Tax incidence depends on relative PED and PES; the more inelastic group bears a larger burden.
- Creates government revenue but reduces both consumer and producer surplus.
- Results in a deadweight loss, indicating a loss of allocative efficiency.