[Ed's note by PG: This is a guest post by Chris Nelder , an energy analyst and journalist; his work can be found at GetRealList and Energy Capital . Chris is the principal author of Profit from the Peak – The End of Oil and the Greatest Investment Event of the Century , and the co-author of Investing in Renewable Energy: Making Money on Green Chip Stocks .] A fierce debate now rages among economists, investors, pundits and the puppetmasters of fiscal policy: What’s next, inflation