Read the article titled "comparative advantage. " explain what comparative advantage is and how it relates to opportunity cost. How do these principles explain why americans have exported customer service operations to india?

answer: the mildest forms of push polling are designed merely to remind voters of a particular issue. for instance, a push poll might ask respondents to rank candidates based on their support of an issue in order to get voters thinking about that issue. many push polls are negative attacks on other candidates.