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英文文献：Tests On Seasonal Unit Roots In Taiwan'S Vegetable Prices
英文文献作者：Lei, Li-Fen
英文文献摘要：
Taiwan's retail and farm prices were examined for unit roots at various seasonal frequencies. The results show that no unit roots exist at any seasonal frequency. Additionally, a unit root exists at the zero frequency in marketing margins, reflecting that retail and farm prices are not co-integrated at the long-run frequency.
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