Write an essay of 1,000-1,250 words regarding public goods. Include the following:
1. Explain what a public good is.
2. Discuss how a public good is different than a private good.
3. Discuss whether only government can supply a public good.
4. What are the challenges related to public goods?
5. How should the "free rider" problems be addressed?
Be sure to cite at least three relevant scholarly sources in support of your content. These sources can include trade journals and think tank reports.