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      • KCI등재

        전력산업 구조개편에 따른 전력시장 역할의 검토

        조성봉(Sung-Bong Cho),조인구(In-Koo Cho) 한국경제연구원 2002 규제연구 Vol.11 No.1

        Power industry restructuring and privatization is under progress In Korea. This is a necessary step to acquire resources for the construction of power supply facilities as well as to enhance efficiency of the Industry. Competition is Introduced in generation and distribution/supply sector and market mechanism substitutes top-down decision making process that were often subject to government intervention and inefficiency. To keep the reformative momentum of power industry, the separation of distribution/supply business from KEPCO and subsequent split-up should he progressed along the due schedule. Privatization process of generation and distribution/supply sector needs be in schedule also. On the other hand, any distortion in fuel market and Its price system needs to be corrected to maximize the effect of competition in electricity Industry. With all these, we have to build sound and competitive business environment In power market by protecting fair competition and preventing strategic behavior or collusion among market participants through market monitoring and regulation. To enhance the effect of competition, however, one has to pay special attention to the design of market In which electricity is traded After reviewing the market rule of two-way bidding pool designed by KEMA Consulting for the Korea Power Exchange we provide two recommendations. First, with all the technical and other constraints that lead to the adoption of uniform pricing model, the final market rule should consider the failure of market cleaning due to uniform price that could distort the incentive of market participants Other remedies such as differentiated transmission tariff or loss factor should be considered too Second, the punishment mechanism against the strategic behavior needs to be amended as it has to be a credible threat to the potential violators and incentive-compatible from the view point of market and system operator.

      • KCI등재

        전력산업 구조개편에 따른 전력시장 역할의 검토

        조성봉(Sung-Bong Cho),조인구(In-Koo Cho) 한국경제연구원 2002 규제연구 Vol.11 No.2

        Power industry restructuring and privatization is under progress In Korea. This is a necessary step to acquire resources for the construction of power supply facilities as well as to enhance efficiency of the Industry. Competition is Introduced in generation and distribution/supply sector and market mechanism substitutes top-down decision making process that were often subject to government intervention and inefficiency. To keep the reformative momentum of power industry, the separation of distribution/supply business from KEPCO and subsequent split-up should he progressed along the due schedule. Privatization process of generation and distribution/supply sector needs be in schedule also. On the other hand, any distortion in fuel market and Its price system needs to be corrected to maximize the effect of competition in electricity Industry. With all these, we have to build sound and competitive business environment In power market by protecting fair competition and preventing strategic behavior or collusion among market participants through market monitoring and regulation. To enhance the effect of competition, however, one has to pay special attention to the design of market In which electricity is traded After reviewing the market rule of two-way bidding pool designed by KEMA Consulting for the Korea Power Exchange we provide two recommendations. First, with all the technical and other constraints that lead to the adoption of uniform pricing model, the final market rule should consider the failure of market cleaning due to uniform price that could distort the incentive of market participants Other remedies such as differentiated transmission tariff or loss factor should be considered too Second, the punishment mechanism against the strategic behavior needs to be amended as it has to be a credible threat to the potential violators and incentive-compatible from the view point of market and system operator.

      • SCIESCOPUSKCI등재

        퀴놀론 유도체인 Q-35 의 랫드에서의 주산 수유기시험 연구

        박귀례(Kui Lea Park),한순영(Soon Young Han),김판기(Pan Gyi Kim),신재호(Jae Ho Shin),조인구(In Koo Cho),장성재(Seung Jae Jang) 한국응용약물학회 1998 Biomolecules & Therapeutics(구 응용약물학회지) Vol.6 No.1

        Pregnant Sprague-Dawley rats were administered with Q-35 at the dose levels of 0, 30, 100 and 300 mg/kg/day by oral gavage from gestation day 17 to lactation period. Effects of the test chemical on general findings, reproductive performance of dams and development of F1 generation were examined. There were no treatment related changes in physical signs, body weight, necropsy findings, organ weights, delivery and nursing behavior. In 100 and 300 mg/kg/day treated groups, the food consumption of dams was decreased significantly during gestational day 19∼21. The gestation length of 300 mg/kg/day treated group was increased significantly compared to the control group (22.3 ±0.48 vs 22.0 ±0.39). Although the gestational length of all groups were in normal range of the rat, potential effect of the drug could not be ruled out. External anomaly of F1 fetus induced by Q-35 was not detected in any groups. There were no treatment related changes in physical development, reflex functions, sensory functions, locomotor activity and motor coordinating activity. Estrus cycle, fertility and reproductive performance of F1 were not changed in all treated groups. There was no external abnormality related to the drug administration on the examination of F2. These results suggest that Q-35 has no adverse effect on the peri- and postnatal period in rats except the reduction of food consumption at the beginning of drug administration, and the potential effect on the elongation of gestation length.

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