We compare two pricing strategies -- buffet pricing and usage pricing -- of excludable public goods for social welfare maximization. Buffet pricing is better than usage pricing for low consumer heterogeneity, while the opposite holds for high consumer heterogeneity.

This paper examines the impact of trade liberalization on U.S. Congressional elections. We find that U.S. counties subject to greater competition from China via a change in U.S. trade policy exhibit relative increases in turnout, the share of votes cast for Democrats and the probability that the...