So they can study different sections of different countries, and compare them and their differences.

What are objects called that have value in and of themselves as well as value as a means of exchange? custom commodity money currency simple money

Those with high self-esteem are highly critical of their strengths and weaknesses. true or false

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.