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Daniel_Burfoot comments on Self-Study Questions Thread - Less Wrong Discussion

12 Post author: TylerJay 29 January 2014 01:32AM

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Comment author: Daniel_Burfoot 30 January 2014 12:47:06AM *  4 points [-]

As a strategic note, I am increasingly skeptical of the idea of trying to learn a bunch of skills that you may or may not use, especially advanced math skills. The key problem with learning is that skill ability decays over time unless you invest a lot of time on maintenance. So if you invest X hours learning a skill, you will have an asset whose value decays over time, while if you spend the same amount of effort making money, you will have an asset that grows exponentially in value over time.

Comment author: AspiringRationalist 30 January 2014 02:48:46AM 2 points [-]

Real interest rates are negative, so currently, money doesn't grow in value over time. A better investment would probably be to learn skills that you do plan on using.

Comment author: Dias 31 January 2014 01:07:31AM 0 points [-]

The expected real return on the stock market is positive. You shouldn't hold large cash balances.

Comment author: ChristianKl 31 January 2014 12:50:38PM 0 points [-]

The expected real return on the stock market is positive.

The return that you expect might be positive but in general different people can have different beliefs about what they expect the SAP500 to do in the next ten years.

Comment author: Dias 01 February 2014 09:10:50PM 2 points [-]

The expected return implicit in futures rates is positive. If you disagree you should short futures and earn a positive return that way.

Comment author: ChristianKl 01 February 2014 09:45:33PM *  -1 points [-]

No. Conservative investment strategies aren't about buying SAP500 and buying shorts on it.

They are about buying treasury bonds. Some rational players in the market do buy bonds. If you want at the expected return of the market you have to look at treasury rates given inflation adjustment.

Quick googling reveal 2.65% for treasury bonds. Official inflation rates are 1.5%.

That means expected return on your money is 1.15%. You could however say that the official inflation numbers are messaged and the market is generally too optimistic. The difference from 1.15% to negative expectations isn't that high.

If you think the market is off by 1.2% you don't gain a high return by betting on corresponding futures.