I attach the 2 video linkBut I think not necessary ,if you know what is the question.https://util.wwnorton.com/jwplayer2/iframe.html?playerid=vid1584976494415&playertype=video&skin=default&aspectratio=16:9&stretching=uniform&file=/wwnorton.college.protected.editorial/Econ/VIDEOS/office-hour_vtt/NegativeExternalities.mp4&seekTime=0&videoimg=/wwnorton.college.protected.editorial/Econ/VIDEOS/office-hour_vtt/NegativeExternalities.jpg&showCC=1&videocaption=/wwnorton.college.protected.editorial/Econ/VIDEOS/office-hour_vtt/NegativeExternalities.vtthttps://util.wwnorton.com/jwplayer2/iframe.html?playerid=vid1584452073352&playertype=video&skin=default&aspectratio=16:9&stretching=uniform&file=/wwnorton.college.protected.editorial/Econ/VIDEOS/office-hour_vtt/PositiveExternalities.mp4&seekTime=0&videoimg=/wwnorton.college.protected.editorial/Econ/VIDEOS/office-hour_vtt/PositiveExternalities.jpg&showCC=1&videocaption=/wwnorton.college.protected.editorial/Econ/VIDEOS/office-hour_vtt/PositiveExternalities.vtt

Description See recommended videos about Externalities and Public Goods under Modules. Read about public goods and externalities in your chosen textbook. (Coppock Chapter 7; OpenStax Chapter 12.1 12.4 & 13). Then answer the following questions using economic thinking (whether or not you agreed with Centers for Disease Control and/or government recommendations/mandates) during the Covid19 pandemic. (1) Indicate how you would fill in the following chart about externalities associated with Covid-19: VirusRelated Circumstance Positive or Negative Externality? Cite a Possible Solution and/or Consequence A. Contagion B. L.A. Traffic/The Environment C. Overall Economic Output D. ShelterinPlace Orders E. Getting a Covid19 Vaccine (2) Explain how the choice of wearing or not wearing a mask during the Covid-19 epidemic could create a public good and also "free riders". (3) Propose a possible corrective tax or subsidy that might be useful for reducing an externality or free rider problem associated with the pandemic