I wouldn’t normally post this on this blog, but it will be of interest to non-specialists as much as those in the business. Jeremy Grantham is a well-known, high profile investor with a long-term perspective and a brain the size of a planet. He writes a publicly available quarterly newsletter. You can subscribe to it if you want, but to save you the hassle, I’ve uploaded his latest piece to Googledocs on how the world is on the verge of a very big economic shift because we will not be able to rely on the abundant resources that have driven economic development over the last 200 years. It’s a sobering read.