How to read this
Replicate the economy: people like Alf and like Bill. If a core allocation is not competitive, the line from through gives one type a better bundle near . With , all of that type and of the other can afford it from their own endowments: they block .
- Raise : the core shrinks towards the competitive equilibrium.
- Move towards the equilibrium: must get closer to 1, so the economy must be larger.