No need to overdo diversification

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Every once in a while I've wondered whether to add REITs or something else (not gold!) to further diversify. Based on the chart included with this Money magazine article (Walter Updegrave's "Ask the Expert" column from the August issue), I can stop wondering...
 
So, you'll be doing it then? Improving return and cutting risk?
 
I'll stick to Vanguard total market funds (U.S., international and bond) and call it a day.
 
Some will disagree, but I've found that to be the case with junk bonds. Now if I were more into security analysis and could identify what looked like good buys in junk, that would be fine -- but from a broad asset class point of view, junk seems to mostly behave similarly to some combination of growth stocks and bonds, which are likely asset classes in one's AA already.
 
I agree. Junk bonds don't add anything but risk that you can take with equity.
 
One of the impacts of the increasingly liquid and global capital markets, is we are seeing increased correlation between all asset classes. Thus the benefits of diversification are decreasing. Now there are still some asset classes which are negatively correlated like gold that help, but I think we'll see the difference between small cap value, and large cap growth, and international vs domestic continue to shrink.
 
Yes, my GLD and FXF have been a great counterweight during the recent stock declines.

However, there was a comment in this morning's WSJ that over the last 30 years, gold's correlation with the inflation rate was just 0.08. So you have to look at the big picture.

In general, I think you're right, clifp, but that's just for the near term. Longer term, I think we're more likely to see diversification become more useful again. At least I hope so.
 
However, there was a comment in this morning's WSJ that over the last 30 years, gold's correlation with the inflation rate was just 0.08. So you have to look at the big picture.
Yeah, the old maxim is that gold is a play on expectations about inflation and about concerns about the local fiat currency. But more and more it's a play on economic uncertainty, regardless of the inflation rate or the change in the dollar. Look at the last five years -- compare inflation and the decline of the dollar to the price of gold, and it ain't even close.

Gold is more of a proxy on uncertainty these days. Look at the VIX and gold prices -- they have a pretty high correlation, much higher than usual.
 
Why did I suspect this might end up becoming yet another discussion thread about gold? ;)
 
I have been thinking a slice and dice approach might work better now with sector allocations instead of domestic/foreign in particular. Haven't checked it out yet, but it seems like you might catch more volitility that way.
 

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