Not to nitpick, but I think they had derivatives before that.
Not in the sense we are talking about them as they relate to financial markets. From what I've read they came about in the 1600's with the rise of the famous tulip bulb bubble.
Re:For the Love of Money
by wavefunction on Sunday January 19, 2014 @06:11PM
(#7086508)
Asset derivatives before running water? Do you have a citation?
Options in ancient Greece
http://en.wikipedia.org/wiki/Thales#Business
Forward contracts in Sumer http://www.realmarkits.com/derivatives/3.0history.php
There would certainly be an impact if all that stuff went away but it wouldn't be because of it's absence it would be because of the pain of unwinding it all.