What is an example of the rights and responsibilities that American citizens have? ( I know, probably an easy question for you guys )

What important race leader of the early twentieth century is being described?

Population parameters are difficult to calculate due to

Mankiw attributes – chapter 1 and his 10 principles – differences in living standards within a countryover time and across countries at a moment in time to: a. the presence or absence of inflation and unemployment.b. the allocation of resources between private markets and the public sector.c. those that have dealt successfully with the efficiency v. equality tradeoff and those that haven’t.d. differences in productivity.e. ones that think at the margin and respond to incentives and those that don’t.