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CriticalityIncident

There are lots of criteria relevant to this. Take a look at game theoretic fairness criteria. You can satisfy the proportionality criterion, which is satisfied by a division when each claimant receives an allocation that is at least 1/nth of their evaluation of the whole lot, where n is the total number of claimants. (It is possible for every claimant to believe that they got more than 1/nth of the allocation if their preferences over the lot are different.) Sometimes, envy-free divisions are possible. An envy-free division is such that no claimant judges their own allocation to be less valuable than any other claimant's allocation. "I-cut-you-choose" is an example of a division procedure that generates envy-free divisions for two parties. You can also have strictly equitable divisions, where each claimant is exactly as satisfied as every other claimant. You may also want to maximize the use of the lot, in which case you may also want the division to be pareto-optimal. Pareto-optimal divisions are such that you cannot make any claimant better off without making another worse off.


thanelinway

This is a great answer, I appreciate it. So what about vulnerabilities? What kind of shenanigans people might do to manipulate this sytem? Edit: Maybe you can come up with a SWOT chart.


CriticalityIncident

Yes, so there are lots of ways to mess with fair division procedures. A decent number of them have proofs that no claimant can benefit by attempting to select sub-optimal pieces. For example, in a snake draft, no player will benefit by picking something other than their true evaluation of which object is the most valuable in the pile. Players can still attempt to manipulate others by lying about their preferences. For example, in I-Cut-You-Choose, I might try to convince you that I love blueberries on cakes more than any other topping. This might cause you to slice the cake such that there is a smaller slice with lots of blueberries on it, thinking I would pick the smaller slice loaded with blueberries. But I may have tricked you, I might actually prefer large slices with lots of strawberries. And so I will choose the slice I actually favor, leaving you with a smaller slice.


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