In recent years there has been great volatility in food prices including a dramatic rise in the period June 2007- June 2008, when the global food price index nearly doubled. The United Nations found that steep increases in food prices in 2008 led to malnourishment for 130 million additional people. In the second half of 2010, food prices rose sharply again, nearly doubling in the case of wheat and increasing more than 60% in the case of maize. Right now in the world economy, we are...