Why 'shocks' send food prices up - but they never come down

Price rises caused by 'major shocks' - such as the crisis in the Middle East and the El Nino weather pattern - tend to fall back down slowly and not always entirely, the analysis claims.

Why 'shocks' send food prices up - but they never come down
Price rises caused by 'major shocks' - such as the crisis in the Middle East and the El Nino weather pattern - tend to fall back down slowly and not always entirely, the analysis claims.