Project Persephone is, among other things, a collection of experiments in governance. Exovivaria, both real and virtual, would host societies requiring some form(s) of government. As well, the organization itself will need to be governed. A uniform framework should be possible.
The current proposal attempts to strike a balance between deliberative opinion polling1 as envisioned by James Fishkin, and prediction markets governance as envisioned by Robin Hanson. This system would default to the prediction market decision -- one of a class of Market Mechanisms. Nevertheless, it would be possible to prevent that otherwise-automatic policy implementation through a series of policy-recall petitions and deliberations. Theoretically, this procedure can converge on pure majority rule, but only after much of the membership has been required to participate in formal deliberations on the issue. By design, such labored outcomes are highly unlikely. The idea is largely inspired not just by Fishkin and Hanson, but also by Michael Abramowicz's view of predictocracy.2, and Mark Klein's Deliberatorium online argument-mapping mechanism.
From e-mail to Hélène Landemore:3
One reasonable objection to any democratic procedure that incorporates Deliberative Opinion Polling (DP) is that DP virtually requires "drafting" members to involve them in deliberation. An alternative is to offer some sort of proxy vote transfer: Whenever someone is randomly selected but doesn't want to participate, can't participate, or feels that someone else's contributions would be more appropriate to the issue at hand, they can hand their vote off to another member. Software such as LiquidFeedback should facilitate this process. The final decision on who joins the deliberations could be made using Evaluative Proportional Representation.
1 Fishkin, James S.: Democracy and Deliberation: New Directions for Democratic Reform, ISBN 0-300-05161-1, Yale University Press, 1991 ⇑
2 Predictocracy: Market Mechanisms for Public and Private Decision Making, Michael Abramowicz, Yale University Press, 2008, ISBN 0300115997 ⇑
3 A Yale political science professor whose theme is "democratic reason"; see e.g., "Hélène Landemore on why we're all in this together", 6 June 2012, Princeton University Press blog ⇑
4 Hanson, Robin (August 2000). "Futarchy: Vote values, but bet beliefs" ⇑
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