Ethiopia has a GDP of $8 billion (measured in U.S. dollars) and a population of 55 million.
Costa Rica has a GDP of $9 billion (measured in U.S. dollars) and a population of 4 million.
In 1980, Denmark had a GDP of $70 billion (measured in U.S. dollars) and a population of 5.1 million.
In 2000, Denmark had a GDP of $160 billion (measured in U.S. dollars) and a population of 5.3 million.
Use the information above to determine per capita GDP. Then use that information to make comparisons between the countries and between the years as appropriate. What can these calculations tell us about the economic welfare of the people of these countries? What can we conclude about quality of life?