I am Andrew W. an I am in period three economics. The question is what are negative externalities and positive externalities, and why does government intervene to regulate them? The negative externalities would be that the government is using our tax-payers money to support the oil drilling process in the Artic National Wildlife Refugee only to harm the wildlife as a democrat would see, but also to raise the oil prices on the new shipments of oil that come in therefore taking even more of the money that the tax payers already put forth unknowingly. In this situation the government would only intervene to regulate them for the wildlife, yet i say why intervene? Since troops were killed when we took oil from Iraq in the recent war. The positive externalitie that i read up on was allowing the production rate of the student mind to conquer more barriers in the life they would soon begin after school, since the government started providing free primary and secondary education. Then allowing requiring students to stay in school until the age of 16. The government regulates this by thinking about the future of the children today. All together i find most opinions made by the U.S. government are right since this is my country and i stand for my country.