Main Street Economist, Kansas City Federal Reserve Bank, Vol. III, Issue 5.)
The chart shows a price index for crude oil, natural gas, farm fertilizer cost and farm fuel cost. The index is equal to 100 in January of 2007, so the prices are shown against the benchmark from January 2005 until January 2008. Tremendous cost increases (and risk) are seen from Jan 2007 to July 2008.