Centrally planned economies are able to cope with environmental pollution issues much better than capitalist countries

Landon demands more sushi as his income increases. From this we can conclude that, for Landon

A) sushi is a normal good. B) sushi is a substitute good. C) sushi is a complementary good. D) sushi is an inferior good.

Which of the following is an assumption used when drawing a production possibilities frontier?

i. Human wants and desires are limited to what is available. ii. Only two goods are considered. iii. The level of technology is fixed and unchanging. A) ii only B) i and iii C) i only D) i, ii, and iii E) ii and iii