Freedom, etc......

http://www.youtube.com/watch?v=ZBQPwF5OmRI&feature=PlayList&p=6146F18254B9E01E&playnext_from=PL&playnext=1&index=88

http://www.youtube.com/watch?v=SQFhm4s_-Pk&feature=PlayList&p=6146F18254B9E01E&playnext_from=PL&playnext=2&index=89

business cycle:

http://www.youtube.com/watch?v=OeEd4vVr8aY

http://www.youtube.com/watch?v=Vf87agVdbJk&feature=PlayList&p=F0BE644771FCCD2A&playnext_from=PL&playnext=3&index=7

hayek keynes rap

http://www.youtube.com/watch?v=d0nERTFo-Sk

Hayek's 'The Road to Serfdom' in Five Minutes

http://www.youtube.com/watch?v=mkz9AQhQFNY&feature=related

barriers to entry

http://www.youtube.com/watch?v=E8C9s5n9VUk

http://www.youtube.com/watch?v=o8vpEY008Cw&feature=PlayList&p=F0BE644771FCCD2A&playnext_from=PL&playnext=1&index=5