The invisible hand

Thanks to economicshelp
https://www.economicshelp.org/blog/140917/economics/the-invisible-hand/

Russ Roberts' Wonderful Loaf

I'm going to use this to introduce the free market/invisible hand at the start of next year as it's brilliant!
http://wonderfulloaf.org/

Economic systems: The invisible hand and the free market system

Thanks to tutor2u for this
http://beta.tutor2u.net/economics/blog/the-invisible-hand-bbcs-a-history-of-ideas