The most important function of a naturalistic observation study is that it allows researchers to:. A. Observe organisms in their natural environment B. Use variables to make predictions about other variables C. Be certain of the cause of a behavior D. Draw general conclusions based on weak data

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.