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Determinants of Cocoa Export and its Effects on Local Prices in Cameroon
Louis Atamja,KyungRyang Kim 한국국제농업개발학회 2018 韓國國際農業開發學會誌 Vol.30 No.3
ECM 분석을 통해 카메룬 코코아 수출시 GDP와 비교우위가 주요 결정요인임이 밝혀졌다. 수출시장에서의 환율변동에 따른 코코아 수출가격의 변동은 국내 코코아 가격을 결정하는 주요인이다. 가격변동에 따라 수출되지 못하는 코코아의 국내 시장 공급은 과잉공급으로 연결되고 이는 국내시장가격의 현저한 하락을 초래한다. Co-integration and Error Correction Model (ECM) was used to provide the evidence that the GDP, Export price and the Competitive Advantage could be the main determinants of Cameroon Cocoa export. The fluctuation in cocoa export price (exchange rate) plays a key role in deciding domestic price in that the cocoa product not exported has been supplied to domestic market and the excessive supply has made the domestic price drop significantly.
Fractal dimension of streets in Seoul
Sang-Hoon Kim,KyungRyang Lee 한국물리학회 2004 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.45 No.1
The fractal structure of streets in Seoul was studied through a scale-invariant length-area relation of the streets. Five zones of dierent residential types were selected, and their fractal dimensions, a coecient of complexity, were calculated. The relation between the fractal dimensions and the abilities and distinctions of the zones was studied.