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이헌동 ( Heon-dong Lee ),마창모 ( Chang-mo Ma ) 한국수산경영학회 2020 수산경영론집 Vol.51 No.4
The purpose of this paper is to empirically investigate whether asymmetric price transmission exists in the distribution stage of farmed olive flounder market. For the analysis, time series data were used for the producer prices of Jeju and Wando, and the wholesale prices of Incheon, Hanam and Busan. Through the Granger causality test, the causal relationship from the producer price to the wholesale price was derived and the asymmetric price transmission was analyzed using the autoregressive distributed lag model (ARDL). As a result of the analysis, it was found that there is a phenomenon of ‘positive asymmetric price transmission’ from the producer price to the wholesale price. This result can be one evidence that excess profits are received in the intermediate distribution stage, and can be said to be a result showing the incompleteness and inefficiency of the distribution structure of the farmed olive flounder. In the future, it is required to establish an information-sharing system in all stages of production, distribution, and consumption that can create a competitive environment for distribution participants and resolve information asymmetry. Also, it is necessary to review the distribution center specializing in live fish from the viewpoint of the establishment of new distribution channels and sales diversification strategy under the rapidly changing fisheries environment.
친환경 어업의 경제적 가치 평가:가상가치평가법을 적용하여
남경수 ( Nam Kyung-soo ),교일양 ( Qiao Yi-yang ),마창모 ( Ma Chang-mo ),안병일 ( Ahn Byeong-il ) 한국식품유통학회 2021 食品流通硏究 Vol.38 No.1
The primary purpose of this study is to present the importance and necessity of the environmentally-friendly fishery. We estimates the economic value by dividing the environmental conservation functions of environmentally-friendly fishery into maintaining bio-diversity, improving the quality of water, and reducing greenhouse gas. The estimations are implemented by contingent valuation method(CVM). The WTP is estimated to be 2,219 won for maintaining bio-diversity, 2,342 won for improving the quality of water, and 2,474 won for reducing the greenhouse gas. For the group of people who are well aware of these functions, the amount of WTP is estimated to be 400 to 1,200 won higher than the other group.