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Heterogeneous participation and allocation skews: when is choice "worth it"?
Nikhil Garg
https://arxiv.org/abs/2507.03600 https://

Heterogeneous participation and allocation skews: when is choice "worth it"?
A core ethos of the Economics and Computation (EconCS) community is that people have complex private preferences and information of which the central planner is unaware, but which an appropriately designed mechanism can uncover to improve collective decisionmaking. This ethos underlies the community's largest deployed success stories, from stable matching systems to participatory budgeting. I ask: is this choice and information aggregation ``worth it''? In particular, I discuss how such systems…