Do better ingredients make a better Ground Wire?

We have all heard the slogan "Better ingredients better Pizza". If this is true with Pizza, how about applying this Principal to a DIY Ground wire I pondered. So I set off on a journey to find out if using better ingredients (wire) would make a better ground cable. My finding of course only apply to my system in my listening room using my ears (my wife and my Beagle dog don't count). But they heard the difference as well. To say this was a short trip is an understatement. To say that the two versions I made more than held there own is an even BIGGER understatement. One version uses solid core Silver wire. The other version uses a silver & Palladium mix. I made 4 of each kind, both versions terminated using a pure 8 awg copper spade. Do better ingredients make a better Ground wire. In my system, a very understated YES!!!