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Sam Instone

By: Sam Instone

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June 20th, 2018

Why controlling investment costs is so important


"Without data, you’re just another person with an opinion". 

William Edwards Deming, an American engineer, statistician and author, said that.

It’s one of my favourite quotes.

I use it almost daily.


Because investors driven by data are more successful.

(That’s a fact too). 

Now an example of data vs opinion, in investing.

Take the financial media.

The impression you generally get from them is that if you want higher investment returns, you have to pay higher fees.

But the evidence tells a different story.

In our 3-minute video, Nir Kaissar, writer for Bloomberg, explains why taking a data-driven approach to digesting the news will make you a better investor.

It’s all about presenting inescapable conclusions.

The problem with fund performance is that it’s unpredictable (opinion).

Fees and charges, on the other hand, are nailed on (data).

You know those are the costs you’ll pay pretty much regardless of how your fund actually performs.

Data, evidence, data.

Fees become incredibly important because they’ll eat away at the returns you are going to enjoy.  

They also compound over time.

So the first priority when investing has to be to keep your costs as low as possible.

Listen to the evidence.

Costs are one aspect of the investment process that you can control.


About Sam Instone

Sam Instone, Director at AES International, is passionate about positive change and ensuring international investors get better results.

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