Study of how scarce resources are allocated something you give up when you make a decision evaluating the costs and benefits of a decision man-made resources such as tools, machinery, etc. person who takes a risk to bring together other productive resources and start a business focusing on an area of expertise or one aspect of production workers with all their skills and abilities the next best alternative (the first thing you didn't choose) relationship of inputs to outputs natural resources 1. economics 2. trade off 3. opportunity cost 4. land 5. labor 6. capital 7. entrepreneur 8. productivity 9. cost-benefit analysis 10. specialization

1920 census

the census was scheduled for january the 1st, as the government believed that more farmers would be in their homes by that time instead of april. the census did not ask about unemployment, the number of children, and how long was a couple married were not taken into consideration. individuals were considered as residents of the places they normally slept, not the places were they worked at or visited.

2010 census

the census was scheduled for april 1st, 2010. it was the shortest census in history: it only contained 10 questions related to name, age, gender, ethnicity, relationship, and whether the citizen owned a home or rented one. the government launched a website in order to provide the citizens with information regarding the census. there were also "teach census weeks" in schools nationwide.