해면 중간육성 생산방식의 경제성 분석 -갯벌 참굴 산업을 중심으로- = Economic Valuation for Nursery-Phase Production -Focusing on the tidal flat Oyster-

다국어 초록 (Multilingual Abstract)

This paper was conducted to study the economic valuation for Nursery-Phase production of the tidal flat oyster in Korea. Benefit-cost(B/C) model used to indicate the effects of economic valuation. Using discounting rates(i.e., 4.5%, 6.5% and 8.5%), the model compared revenues and costs that occur at different times from 2012 to 2018. This study also estimated various submodels, which are Benefit Cost Ratio(B/C ratio), Net Present Value(NPV), Internal Ration of Return(IRR), to compare profit of Nursery-Phase production styles and analyzed returns to evaluate the scenarios. Sensitivity analysis were conducted for various scenarios. The results suggest as follows. First, the oyster spat to the shell height of 3~5cm was more profit than the shell height of 1~3cm. Second, all of sensitivity analysis with submodels were economic valuation such that B/C ratio＞1, NPV＞0 and IRR＞discounting rate. Third, the payback period was about 3years after installed Nursery-Phase production system.

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