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Original Articles

News and volatility of food prices

, &
Pages 1629-1635 | Published online: 11 Apr 2011
 

Abstract

Financial markets exhibit an asymmetric news effect with unexpected low prices generating more price volatility than ‘news’ of high prices. The present study examines US food markets for such asymmetric news effects. Analysis of 25 years of monthly data for 45 retail food items shows that price news destabilizes about a third of the markets with unexpected price increases more destabilizing.

Acknowledgement

Comments from participants at the 100th Anniversary Ceremony conference ‘Globalization and Chinese Agriculture’ sponsored by China Agricultural University in Beijing are appreciated.

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