Angela was watching her favorite cartoon one morning when her favorite character stacked a bunch of boxes one on top of the other to build a stepladder so she could reach a toy on a high shelf. later, angela wanted a cookie that her mother had placed in a high cabinet, so she built a makeshift ladder from two boxes. this is an example of

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.