not possible, neither optimise from price line
How could R be an optimisation?
2nd WT: lump sum transfer of endowments to change price ratio
True, no need to trade, middle of the box solution
how to deal with optimisation when one good utility gained is 0?
They spend all wealth on other(s) good(s)
find equilibrium quantity like that
what math changes when we change quantities of each consumer group?
Only the last part of supply = demand