Several walls and towers constructed over hundreds of years. Work on the first portion began during the Qin Dynasty in 221 B. C. At this time, several independent kingdoms united to form a
larger nation.
How does the passage make a distinction between long ago and today in the first paragraph?
es
earch
Bi

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.