What was jefferson's main concern regarding the louisiana purchase? a) it was too expensive. b) he felt the land belonged to the native americans and did not want to violate their rights. c) the land was not fertile and offered little benefit to the united states. d) he was not sure the constitution gave the president the right to purchase land.

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.