What was the main reason that the Bill of Rights was added to the US Constitution? a. to protect individual liberties against abuse by the government

b. to separate powers between the three branches of government

c. to provide equal treatment for all residents of the country

d. to limit the powers of state government

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.