S. Johnson-Food and Biofuels: The Price of Success

"In a column in the December 2007 edition of Finance & Development magazine, IMF Chief Economist Simon Johnson looks at how the adoption of biofuels is driving up world food prices. He suggests that rich countries could help limit the rise, which is hurting the poor in low-income countries the most, by removing ethanol subsidies and cutting high tariffs."

http://www.imf.org/external/pubs/ft/survey/so/2007/RES123A.htm