El Niño,La Niña,and a cup of Joe |
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| Affiliation: | 1. Department of Epidemiology and Biostatistics, School of Public Health, Fudan University, Shanghai, People''s Republic of China;2. Key Laboratory of Public Health Safety, Ministry of Education, Shanghai, People''s Republic of China;3. Laboratory for Spatial Analysis and Modeling, School of Public Health, Fudan University, Shanghai, People''s Republic of China;4. Department of Microbiology and Health, School of Public Health, Fudan University, Shanghai, People''s Republic of China;5. Department of Environmental Art and Architecture, Changsha Environmental Protection Vocational Technical College, Hunan, People''s Republic of China;6. Faculty of Veterinary Science, The University of Sydney, Sydney, New South Wales, Australia;7. National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Shanghai, People''s Republic of China |
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| Abstract: | El Niño and La Niña events have been shown to influence the prices of several varieties of coffee. This paper demonstrates that the coffee prices are threshold cointegrated around a non-linear attractor and that El Niño Southern Oscillation (ENSO) events play an important role in the process. |
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