I read a couple of articles (Tamriel Foundry and Teso Elite forums respectively) concerning the Guild Store feature and it's relation to the economy. I decided to post both links here in case anyone wanted to read them:

http://tamrielfoundry.com/2013/11/eso-and-the-resurgence-of-the-social-economy/

http://www.tesoelite.com/2013/11/guild-store-restrictive-feature-with-a-purpose/