Blockchains, the technology underlying cryptocurrencies, face large fluctuations in user demand and marginal costs. These fluctuations make effective fee policies necessary to manage transaction service allocation. This paper models the conflict between the blockchain designer and validators...

Rules of origin offer preferred market access for final goods whose inputs originate mostly within a free trade agreement. Governments often champion such rules for boosting investment. We use a property-rights framework to study when this motivation is justifiable. The rule does not bind for...