Please pick one of the three questions posted below. Respond to the questions completely. Your response should be about 1-2 paragraphs for each part of the question. Make sure to cite sources. Your original response to the question is worth 20 points. Respond to atleast ONE other student's post. It should be thorough, about 1-2 paragraphs, and must include some of the following: why did you find their post interesting; explain how it is similar to or different than your post; what could the student have done differently. Your response to another student's post is worth 10 points. 1. Distinguish between positive and negative externalities. Give an example of each. How does the government get involved in each? OR 2. Compare and contrast private and public goods. Explain how the characteristics of a public good lend itself to having free-riders. Give an example