The volatility connectedness between fertilizers and rice price: evidences from the global major rice-producing countries

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dc.authorid0000-0002-5666-5365
dc.contributor.authorUcak, Harun
dc.contributor.authorUllah, Irfan
dc.contributor.authorAri, Yakup
dc.date.accessioned2026-01-24T12:31:02Z
dc.date.available2026-01-24T12:31:02Z
dc.date.issued2024
dc.departmentAlanya Alaaddin Keykubat Üniversitesi
dc.description.abstractThis study examined the volatility connectedness between rice price and selected fertilizer commodity products among global rice-producing countries that are mainly in the Asian and Pacific regions. For this purpose, natural gas, selected fertilizers, rice monthly price data, and commodity volatilities were estimated by exponential weighted moving average (EWMA). Furthermore, the connectedness of the volatilities were demonstrated by applying the TVP-VAR-based Diebold-Yilmaz approach. First, we constructed eight separate networks for each country and then determined the total connectedness index (TCI), net pairwise directional connectedness (NPDC), and pairwise connectedness index (PCI). The average TCI for all countries varied between 40 and 55%. The dynamic TCIs showed that the impact of food price volatility from 2007 to 2008 persisted until 2009. Connectedness across all networks was seen to decline after 2010, dropping to 40% or lower. Upon analyzing bilateral interconnectivity through the lens of the PCI values, a robust connectedness between triple superphosphate fertilizer price volatility and Bangladesh, Brazil, China, and Pakistan was evident. The interconnectedness of urea fertilizer and natural gas volatility with rice price volatility, along with the substitution relationships between other fertilizers, offers valuable information for investors to construct portfolios.
dc.identifier.doi10.1007/s41685-023-00317-3
dc.identifier.endpage263
dc.identifier.issn2509-7946
dc.identifier.issn2509-7954
dc.identifier.issue1
dc.identifier.scopus2-s2.0-85172265807
dc.identifier.scopusqualityQ1
dc.identifier.startpage239
dc.identifier.urihttps://doi.org/10.1007/s41685-023-00317-3
dc.identifier.urihttps://hdl.handle.net/20.500.12868/5615
dc.identifier.volume8
dc.identifier.wosWOS:001071595400001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherSpringernature
dc.relation.ispartofAsia-Pacific Journal of Regional Science
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20260121
dc.subjectPrice volatility
dc.subjectRice price
dc.subjectPairwise connectedness index
dc.subjectRice
dc.subjectTVP-VAR volatility connectedness
dc.titleThe volatility connectedness between fertilizers and rice price: evidences from the global major rice-producing countries
dc.typeArticle

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