Sobadia singh buys a new smart phone that stops working after six months and does not have a warranty. she’s not happy about it and lets her followers on twitter know about it. sobadia is exhibiting her as a consumer.

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.