National Standards for 'Nebraska and the World (PDF)'
National Standard Number: 5
Voluntary exchange occurs only when all participating parties expect to gain. This is true for trade among individuals or organizations within a nation, and usually among individuals or organizations in different nations.
National Standard Number: 6
When individuals, regions, and nations specialize in what they can produce at the lowest cost and then trade with others, both production and consumption increase.
National Standard Number: 16
There is an economic role, such as provide for national defense, address environment concerns, protect property rights, and make market more competitive, for government in a market economy whenever the benefits of a government policy outweigh its costs.