Exchange Markets
- People bring stuff - some bring fish, some bring vegetables, some bring money
- People exchange stuff (trade)
Assumptions
- Each person brings a wagon of stuff
- People trade with others but only if each gets an increase in happiness by some amt K
Lyapunov Function
- Lyapunov Function
- Sum of total happiness
- Maximum
- There is a maximum happiness - when everyone gets what they want
- Each move increases value of Lyapunov Function
- Each trade increases total happiness
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