Which of the following countries has historically been more willing to sacrifice environmental quality for additional economic output?

According to the partisan theory,

a. politicians are viewed as working only for their own welfare. b. there are two parties with flexible goals. c. moderates and liberals often switch political goals. d. macroeconomic policy is not a key focus of most politicians. e. none of the above.

The slope of the utility possibilities frontier is

A) positive. B) negative. C) zero. D) undefined.