국제 옥수수 교역시장의 불완전 경쟁 상태에 대한 분석

An Analysis on Imperfect Competitiveness in the International Maize Trade Market

This paper analyzes the imperfect competitiveness in the international maize trade market. Instead of the commonly used concentration ratio, Gini and Atkinson Inequality Index based on Lorenz Curve are newly utilized to analyze market concentration level. The export concentration level empirically proved to be high compared to import concentration level. The concentration level of export side seems to be easing although reduction level is not high. However, overall imperfective competition condition has been worsened compared to 2001 level. It is mainly because the overall reduction level of the imports concentration is higher than that of the export concentration level