Do the standard economic models apply when every country is trying to debase their currencies and many developed countries have high levels of debt? Doesn't the current influence of central bankers on the financial market make this period different than all periods before?
Here is a great article that explains all the relationships in simple and precise terms.
http://news.goldseek.com/SpeculativeInvestor/1331820420.php
In answer to your question, don't think of Gold as one asset. As I mentioned before, gold priced in other currencies is actually performing quite well. Gold is really 50 to 100 different products based on 50 to 100 different base currencies, etc.