The words rational economist are an oxymoron. With economists failing to see imbalances in the US, Europe and China, their rearward looking analysis leaves many of them as useful as astrologists.
Ross Garnaut is one of the few rational economists. No one knows the future, however Ross tends to look at economics with a very fresh global perspective.
His comments here are worth listening to, particularly his take on the levelling of the global natural gas trade.