http://alephblog.com/2009/06/19/unchangeable/ Helping Institutions and Ordinary People Invest Better by Focusing on Risk Control Wed, 10 Mar 2010 23:49:31 -0500 http://wordpress.org/?v=2.8.4 hourly 1 http://alephblog.com/2009/06/19/unchangeable/comment-page-1/#comment-21993 David Merkel Sat, 20 Jun 2009 01:04:59 +0000 http://alephblog.com/?p=1833#comment-21993 PS -- My definition for a derivative above was the definition for one type of derivative, a swap. A more general definition of a derivative is a contract that derives its values from one or more other economic variables. PS — My definition for a derivative above was the definition for one type of derivative, a swap. A more general definition of a derivative is a contract that derives its values from one or more other economic variables.

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