One-way communication has been found to substantially increasecontributions in linear voluntary contribution mechanisms. We confirmthe robustness of this result in the presence of income heterogeneity.

Unanimous voting as the fundamental procedural source of political legitimacy grants vetopower to each individual. We present an axiomatic characterization of a class of biddingprocesses to spell out the underlying egalitarian values for collective projects of a“productive state”. At heart...