Purely for the sake of stability, I think it's a lot more useful to look at the classical economic indicators like the Consumer Price Index. Curiously enough, t

Purely for the sake of stability, I think it's a lot more useful to look at the classical economic indicators like the Consumer Price Index. Curiously enough, there is no gold found in any of the standard market baskets ... and since we are only looking at stability on a scale of 20-30 years, maybe there are some products that just happen to have a near-constant production effort. Cue the "cheapest possible child labor T-Shirt" global price index with derived currency.