1. an arrangement in which the government makes all the basic economic decisions
traditional economic system
2. developed countries with a per capita income of $10,000–$37,000
overpopulation
3. less-developed countries with a per capita income of less than $2,500
mixed economic system
4. an arrangement in which the government plays a limited role in basic economic decisions
middle income nations
5. more-developed countries with a per capita income of $2,500–$10,000
underpopulation
6. an arrangement in which the government sometimes makes decision and businesses may be both privately and government-owned
command economic system
7. a situation in which the number of people exceeds the available natural resources in an area
population density
8. a nation's annual total income divided by its total population
low income nations
9. the number of people who live in a square mile or kilometer
market economic system
10. an arrangement in which custom determines how goods are produced and distributed
per capita income
11. a situation in which the birth rate is not sufficient to replace the existing population
high income nations
