•what kind of reinforcement should a parent use to ensure that their child would continue to clean his room once he has started doing it?

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.

Which supreme court dressed the second a. presser v. illinois b.quilici v. the village of morton grove c.united states v. cruikshank d. united states v. miller

Which products do you think required scientific knowledge to develop?