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外航船社의 輸出入 컨테이너 內航運送 許容에 따른 問題點과 內航海運의 育成方案
하영석(Yeong-seok Ha),정근존(Keun-jon Chung) 한국무역상무학회 2003 貿易商務硏究 Vol.19 No.-
Government tries to revise the article 25 in Korea Maritime Transport Act which describes subject of coastal carriage for exported-imported container cargoes. The subject of coastal carriage will be replaced coastal carrier by ocean liner carrier according to the revised article 25. By adopting the revised article, coastal shipping industry will be deteriorated in terms of returns on investment, sales and etc. Even though the revision is inevitable to harmonize the flow of exported-imported container cargo movement, coastal shipping industry should be developed and restructured to get competitive power and to set up an efficient international logistics system. To enhance competitive power of coastal shipping companies successfully, government must realize the importance of coastal shipping, and aid the industry through various methods such as arrangement of law and regulation, indirected financial assistance, decrease of tax rate, etc.
하영석 ( Yeong Seok Ha ),서정수 ( Jung Soo Seo ),정근존 ( Keun Jon Chung ) 한국해운물류학회(구 한국해운학회) 2013 해운물류연구 Vol.29 No.2
개장 초기에 물동량확보의 어려움에 대처하기 위하여 선석 당 1기의 CC를 장치하고 2선석으로 서비스를 시작한 PICT는 개장한지 3년 4개월 만에 약 15만 TEU를 달성하여 환동해권 중심항만으로 자리매김하고 있다. PICT의 3년간의 실측자료를 바탕으로 항만생산성은 분석한 결과 자동차 KD 물동량과 철강제품의 컨테이너화로 PICT 이용물동량이 급증하여 2선석에서 CC 2기로 처리할 수 있는 물동량은 한계에 온 것으로 추정되고 있다. 2011년과 2012년도의 실측자료를 가지고 추정한 PICT의 생산성은 입항선박 1척에 평균 1.43Gang이 붙어 작업을 하였고, 이 경우 간섭계수를 0.9과 0.8로 상정하면 년간 처리량이 각각 15만 4,344TEU와 14만 6,292TEU로 추정되었다. 2013년 PICT의 예상처리물동량 18만 TEU로 연간 최대처리량인 15만 4,344TEU를 초과할 것으로 예상하고 있기 때문에 빠른 시간 내에 신규 CC가 투입 되어야만 2012년 수준의 서비스를 제공할 수 있을 것으로 판단된다. Since its` operation in August 2009 with only two berths where in each berth has one CC (container crane) respectively, Pohang International Container Terminal (PICT, henceforth) has handled 150,000 TEU in 2012 and has consolidated its position as a regional strategic container port. This paper attempted to calculate the productivity of PICT over the last three years and 4 months of its` operation. In estimating we adopted the more commonly used CC`s cargo handling capacity method with a real data set for the relevant factors covering 2011 and 2012. The estimation results show that the annual maximum container handling capacity for PICT varied between 146,292 TEU and 154344 TEU, depending upon the value of intervention coefficient of 0.8 and 0.9. The results impart that another installation of CC is imminent, given that the projected amount of container handling capacity for PICT in 2013 is 180,000 TEU and thus will exceed the port`s capacity.
Marshall-Lerner 조건의 재검토 및 구조적변화를 감안한 對美무역수지 추정
鄭根存 계명대학교 국제학연구소 2003 국제학논총 Vol.8 No.-
In estimating the effect of exchange rate on trade balance with regard to the elasticity approach, previous studies have used either the difference or the ratio of export and import as a definition of trade balance. However, there has not been enough debate on which definition is appropriate. Using data from the mid-90's, this paper provides the inapproapriteness of the difference between export and import as a definition of trade balance against U.S. Therefore, employing the ratio of export and import as a trade balance, we estimated the trade balance against U.S. through the Kalman Filter method chaseing the structual change by allowing the change of parameters. Followings are the results. First, with highly significant level, we obtained the theoretical signs in the estimated coefficients of such explanatory variables as Korean real income, U.S. real income and nominal or real exchange rate. Second, during the foreign exchange crisis in Korea, we found the abrupt changes in the estimated coefficients. Particularly, compared with the previous period, the estimated coefficient of nominal or real exchange rate has sharply decreased, showing the existence of structual change. Finally, Due to the relatively low inflation in Korea after mid-90's, we confirmed that the depreciation was convertred to the real depreciation, which is different from the international monetarism. This implies the persistency in the effect of depreciation on improvement of trade balance against U.S. in the future, even though the degree will not be powerful than in the previous period.
통화론적 접근법에 의한 한국의 對EURO貨 환율결정의 실증분석
정근존,정기호 慶北大學校出版部 2004 經商論集 Vol.32 No.1
Based on the monetary approach, we empirically analyzed the determination of the Korean exchange rate against the Euro for the period of 1994: 1/4-2003: 3/4 through the Johansen cointegration method. The result shows that the estimated coefficients of explanatory variables are not consistent with the theory when we use M1 as a money stock. On the other hand, using M2 or M3 as a money stock, the effects of real income, money stock and interest rate are consistent with theory and the estimated coefficients of such variables are statistically significant. Particularly, the estimated coefficient of the interest rate is found negatively, implying that the rigid-price model is superior to the flexible-price model in explaining the Korean exchange rate against the Euro. In addition, by using the mid or long-term instead of short-term interest rate in the model, the effects of explanatory variables are quite obvious. Furthermore, in the real-interest differnece model containing the expected inflation measured by the adaptive and extrapolating method, the estimated coefficients of explanatory variables are consistent with theory and statistically highly significant when M2 is used as a money stock.