Fiscal federalism concerns the division of policy responsibilities among different levels of government. Many current economic and policy developments, such as globalization, environmental crises and rising inequality, may not appear to be favorable to fiscal federalism, yet countries are...

This paper provides theory and evidence on airline bag fees, offering insights into a real-world case of product unbundling. The theory predicts that an airlineś fares should fall when it introduces a bag fee, but that the full trip price (the bag fee plus the new fare) could either rise or...