In this post, I propose to explore a novel methodology by which a collective of decision makers (simply called "we" here) such as the current generation of humanity could make an altruistic collective decision in the following type of situation:
Epistemic status: Highly speculative but based on years of theoretical research into collective decision making.
The proposed methodology is based on the following ideas and rationale:
In other words: We choose that option which we believe the largest percentage of potential stakeholders would prefer to having a random potential stakeholder decide alone.
The actual procedure I propose for this is the following:
Some possible variants:
Having just read Scott's Geometric Expectation stuff, I want to add that of course another variant of all of this is to replace every occurrence of a mean or expectation by a geometric mean or geometric expectation to make the whole thing more risk-averse.