Several problems have arisen with , such as many people do not respond well to these drugs, the drugs are useful for treating positive symptoms such as delusions and hallucinations but not negative symptoms, and side effects may be extremely unpleasant or irreversible in some cases

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.