우리나라 친환경농산물 시장에 대한 정보이론적 접근 : 신뢰재의 정보비대칭성 지표로서의 정보엔트로피 측정 A Theoretic Approach to the Organic Food Market in Korea: An Estimation of Information Entropy as a Measure of Information Asymmetry for Credence Goods원문보기
우리나라 친환경농산물시장은 외형적으로 꾸준히 증가하고 있지만, 친환경농산물에 대한 소비자들의 신뢰도는 낮은 것으로 나타나, 친환경농산물시장의 발전에 걸림돌이 되고 있다. 따라서 친환경농산물시장을 활성화하고 궁극적으로 국민 건강의 증진 및 개방화시대에 우리나라 농업이 살아남기 위해서는, 친환경농산물을 비롯한, 한우와 수입우 등 '신뢰재(Credence Good)' 시장에서의 정보비대칭성(Information Asymmetry) 문제가 해소되어야 한다. 게임이론을 통하여 이러한 정보비대칭성을 계측할 수 있으나, 게임 참가자들의 보상(payoff)을 계측하는 문제의 해결이 용이하지 않고, 가능하더라고 유의성을 담보할 수 없다. 따라서 대안으로 Shannon(1948)에 의하여 주창된 정보엔트로피(Information Entropy; 정보무질서도 또는 정보교란도)의 측정을 통하여 정보비대칭성 지표를 개발하고 이를 토대로 친환경농산물시장을 관리하여야 한다. 본 연구에 따르면, 2003년 이후 친환경농산물시장의 정보엔트로피는 꾸준히 감소하고 있으며, 정책적 제안으로 인증제도의 개선 및 지표의 개발을 통하여 친환경농산물시장을 활성화시킬 것을 주장하였다.
우리나라 친환경농산물시장은 외형적으로 꾸준히 증가하고 있지만, 친환경농산물에 대한 소비자들의 신뢰도는 낮은 것으로 나타나, 친환경농산물시장의 발전에 걸림돌이 되고 있다. 따라서 친환경농산물시장을 활성화하고 궁극적으로 국민 건강의 증진 및 개방화시대에 우리나라 농업이 살아남기 위해서는, 친환경농산물을 비롯한, 한우와 수입우 등 '신뢰재(Credence Good)' 시장에서의 정보비대칭성(Information Asymmetry) 문제가 해소되어야 한다. 게임이론을 통하여 이러한 정보비대칭성을 계측할 수 있으나, 게임 참가자들의 보상(payoff)을 계측하는 문제의 해결이 용이하지 않고, 가능하더라고 유의성을 담보할 수 없다. 따라서 대안으로 Shannon(1948)에 의하여 주창된 정보엔트로피(Information Entropy; 정보무질서도 또는 정보교란도)의 측정을 통하여 정보비대칭성 지표를 개발하고 이를 토대로 친환경농산물시장을 관리하여야 한다. 본 연구에 따르면, 2003년 이후 친환경농산물시장의 정보엔트로피는 꾸준히 감소하고 있으며, 정책적 제안으로 인증제도의 개선 및 지표의 개발을 통하여 친환경농산물시장을 활성화시킬 것을 주장하였다.
Although the size of the organic food market in Korea has increased significantly, its further development is hampered by the information asymmetry between the producers and consumers of organic food. It isn't just about revitalizing the market; it's also about Korean farmers surviving an era of tra...
Although the size of the organic food market in Korea has increased significantly, its further development is hampered by the information asymmetry between the producers and consumers of organic food. It isn't just about revitalizing the market; it's also about Korean farmers surviving an era of trade liberalization. In order to produce more value-added products, the information asymmetry issue has to be resolved regarding the organic food market and other agricultural credence goods such as Han-woo(Korean beef). Therefore, measuring information asymmetry has become a central issue. One way to measure asymmetry is to use Game Theory. However, in practice, estimating payoffs at the industry level is hard to accomplish, and even when it is possible, the reliability of the estimated payoffs is not guaranteed. As an alternative, the concept of Information Entropy(disorder level of information), developed by Shannon(1948), was used in this study. It is proposed that this measure should be used when assessing the level of information asymmetry in the Korean organic food market. Using recent data, it was found that information entropy in the Korean organic food market has been decreasing constantly since 2003. Therefore, it was proposed that measures should be adopted by the government to improve the certification system of organic food.
Although the size of the organic food market in Korea has increased significantly, its further development is hampered by the information asymmetry between the producers and consumers of organic food. It isn't just about revitalizing the market; it's also about Korean farmers surviving an era of trade liberalization. In order to produce more value-added products, the information asymmetry issue has to be resolved regarding the organic food market and other agricultural credence goods such as Han-woo(Korean beef). Therefore, measuring information asymmetry has become a central issue. One way to measure asymmetry is to use Game Theory. However, in practice, estimating payoffs at the industry level is hard to accomplish, and even when it is possible, the reliability of the estimated payoffs is not guaranteed. As an alternative, the concept of Information Entropy(disorder level of information), developed by Shannon(1948), was used in this study. It is proposed that this measure should be used when assessing the level of information asymmetry in the Korean organic food market. Using recent data, it was found that information entropy in the Korean organic food market has been decreasing constantly since 2003. Therefore, it was proposed that measures should be adopted by the government to improve the certification system of organic food.
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