How do people in northern chad adapt to the lack of arable land in the region? a) they are nomads who raise camels and crops in oases b) they live in permanent dwellings c) they mostly live in the north where the arable land is d) they do not farm at all

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.