References
video clips
http://www.youtube.com/watch?v=yuXr_yFmWAM ; B2Bwhiteboard absolute advantage-
http://www.youtube.com/watch?v=SrCttfWoLy4 ; B2Bwhiteboard comparative advantage
http://www.youtube.com/watch?v=MgD5YwAyNp ; opportunity cost
http://www.youtube.com/watch?v=GiCMDeST4M8 ; opportunity cost calculation
http://www.youtube.com/watch?v=VSGDp0IsdTU&list=PL0CEBA695632E2018 ; factors of production
http://www.youtube.com/watch?v=yuXr_yFmWAM ; B2Bwhiteboard absolute advantage-
http://www.youtube.com/watch?v=SrCttfWoLy4 ; B2Bwhiteboard comparative advantage
http://www.youtube.com/watch?v=MgD5YwAyNp ; opportunity cost
http://www.youtube.com/watch?v=GiCMDeST4M8 ; opportunity cost calculation
http://www.youtube.com/watch?v=VSGDp0IsdTU&list=PL0CEBA695632E2018 ; factors of production