Swedroe sobre la diversificación

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Swedroe sobre la diversificación

Mensaje por Pepeco » Mié Jul 10, 2019 17:39

The Historical Imperative for International Diversification, nuevamente sobre la importancia de estar diversificados y evitar sesgos temporales y de país: https://www.advisorperspectives.com/art ... sification
If you asked most investors about the long-term relative performance of U.K. and U.S. stocks, they would assume that U.S. stocks would have far outperformed. Recency bias, and the collapse of the pound sterling in the post-WWII era, would be a contributor to that belief. From 2009 through 2018, the S&P 500 Index outperformed the FTSE All-Share Index by 5.3 percentage points per annum (13.1% versus 7.8%, respectively). And the outperformance is much greater over the last five calendar years (2014-2018), with the S&P 500 outperforming by 9.7% per annum (8.5% versus -1.2%).

Now let’s take a trip back in time to a decade ago and look at the long-term performance. The FTSE data goes back to February 1955, so we will use that as our starting point. From February 1955 through December 2008, the FTSE returned 10.4% per annum, outperforming the S&P 500 Index’s return of 9.7% per annum by 0.7%age points. Even through 2013, the outperformance was still 0.7 percentage points per year (11.0 versus 10.3). That’s almost 60 years of outperformance. What conclusions would you have drawn? If we extend the data through 2018, the S&P 500’s advantage is small: 10.2% versus 10.0%. The slight underperformance occurred while the pound was falling from $2.80 to about $1.26, a drop of 55%!
"There seems to be some perverse human characteristic that likes to make easy things difficult." - Warren Buffet. Hazlo simple.

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