어업용 면세유 폐지시 근해저인망어업의 생산자잉여 변화에 관한 연구

An Analysis on the Changes in Producer Surplus of Korean Offshore Trawling Fisheries by Prohibition of Tax-Free Oil for Fisheries

This study’s purpose is to analyze the changes of Korean offshore trawling fisheries’ producer surplus in case of prohibition of tax-free oil for Fisheries following TPP and WTO/DDA agreements. The analysis methods were composed of three steps: first, standardizing individual offshore trawling fisheries’ fishing efforts through the Gavaris generalized linear model. Second, deducing the producer surplus through applying index Clarke, Yoshimoto, Pooley (CYP) surplus production model to estimate Maximum Sustainable Yield (MSY) and then utilizing bioeconomic model to estimate fishing efforts, catch, and fishery resources based on Open Access (OA) and Maximum Economic Yield (MEY) standards. Third, estimating supply curve through bioeconomic model based on OA and MEY standards. The analysis results show, with the prohibition of tax-free oil for fisheries, offshore trawling fisheries’ fishing efforts decrease due to the increase in oil price while resources increase, and producer surplus decreases with the decrease in price and catch. Like this, once tax-free oil for fisheries is prohibited, due the increase in oil price, offshore trawling fisheries’ business is expected to severely deteriorate. Thus, in case of prohibition of tax-free oil for fisheries, there should be effective measures to overcome the decrease in producer surplus and to maintain the sustainability of offshore trawling fisheries.