Not an alternative, but an add-on: subsidize the market. This does require someone who wants the info badly enough to pay the subsidy. Robin Hanson recently blogged about how one might focus subsidy on trades one is most interested in.
Not an alternative, but an add-on: subsidize the market. This does require someone who wants the info badly enough to pay the subsidy. Robin Hanson recently blogged about how one might focus subsidy on trades one is most interested in.