"Political economics views heterogeneity of political preferences largely as a reflection of heterogeneity in valuations of known policy outcomes. Voters, however, may be uncertain about policy outcomes, in part, because of uncertainty about how the economic world actually works. Heterogeneity...

Nonconvexities undermine the efficiency of the usually robust "double auction" or DA market institution. We experimentally examine two modified DAs that allow for particularly rich bilateral contracting such as arbitrarily nonlinear pricing. The first allows for arbitrarily nonlinear pricing but...