In the developing world, there just isn't enough return on investment to warrant their coming in and laying down cable. (businessinsider.com)
They're just not likely to generate high enough returns to allow you to build an adequate nest egg or assure it will sustain you through a long retirement. (realdealretirement.com)
But given the volatility in the market I don't think thats a good enough return for most people. (abnormalreturns.com)