How is a fraternal twin different than other twins?

Which of the following statements is true? a)free trade causes contraction of the export-oriented sector. b)free trade causes contraction in the import-competing sector. c)free trade restricts consumption choices of the domestic consumers. d)all the domestic producers benefit when a country engages in free trade.

The photo shows a shopping mall in beijing, china. inside, there are food sites selling pizza and hamburgers and closing stores selling blue jeans and basketball sneakers. these items have become popular around the world because

An externality can be created by a. people working at a production job and enjoying their work b. a production activity but not a consumption activity c. a consumption activity but not a production activity d. a production activity or a consumption activity externalities a. are always positive, and an example is flu vaccinations b. are always negative, and an example is the pollution created by trucks c. can be negative or positive. logging has a negative externality, and education has a positive externality d. can be negative or positive. a negative externality is having to go to school when you would rather go to the beach, and a positive externality is spending time with your friends