Re: Index of inequality
I like Gini, but since you are going to be showing data for low tech planets, I recommend the subsistence correction. Essentially, for very poor places, a low Gini can be associated with high inequality due to the relative size of the surplus.
Example:
If a low tech colony has an average production of 3 SVUs per colonist per day, but bare survival on that colony requires 2.8, the Gini is never going to show much inequality, even if the entire productive surplus is consumed by one individual.
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