http://buylow.com/environment Ecology, Energy, Economy Fri, 30 Jul 2010 13:58:41 +0000 http://wordpress.org/?v=2.9.2 en hourly 1 http://buylow.com/environment/2010/02/08/substitution-and-technological-change-under-cap-and-trade/ http://buylow.com/environment/2010/02/08/substitution-and-technological-change-under-cap-and-trade/#comments Mon, 08 Feb 2010 15:57:27 +0000 http://buylow.com/environment/2010/02/08/substitution-and-technological-change-under-cap-and-trade/ http://buylow.com/environment/2010/02/08/substitution-and-technological-change-under-cap-and-trade/feed/ 0