Taxes could be collected in developing countries
Large national debts / economic downturns could lead to devaluing of currency / declining empires
The U.S. national debt could be calculated differently
Countries could be prevented from taking on crippling debt / having public financial mismanagement
Cities could privatize airports
Public pensions could be managed by qualified investment managers and/or an independent board
Local governments could have one integrated data system and universal intake
Governments could use accrual accounting / zero-based budgeting