On Sat, December 19, 2009 14:20, Trevor Cunningham wrote: > And what would this product be? In the unit on monopolistic > competition, I like to challenge my IB Economics students with the > concocted theory that the red color of the can of Coca-Cola is what > actually makes it taste different than Pepsi. When we ran blind taste tests in about 1980, this was definitely not the case :-). -- David Dyer-Bennet, dd-b@xxxxxxxx; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/ Photos: http://dd-b.net/photography/gallery/ Dragaera: http://dragaera.info
