The Big Three in Economics. Smith, Marx, Keynes

Mark Andrew Skousen is an American economist and writer. He currently teaches at Chapman University, where he is a Presidential Fellow at The George L. Argyros School of Business and Economics. He has previously taught at Columbia Business School, Mercy College, Barnard College, and Rollins College. Skousen was an economic analyst for the CIA from 1972 to 1975.He later worked as a consultant for IBM and Hutchinson Technology, and other companies. He was a columnist for Forbes magazine from 1997 to 2001, and has contributed articles to The Wall Street Journal as well as to various libertarian periodicals. He has been a speaker at investment conferences and has lectured for think tanks, From 2008 to 2010 he was a weekly contributor on CNBC's Kudlow & Company and has also appeared on C-SPAN Book TV and Fox News. Skousen is a proponent of Gross Output (GO), an economic concept used to measure total economic activity in the production of new goods and services in an accounting period. Skousen highlighted the concept in his work, The Structure of Production in 1990.