The area around Gangnam Station in Seoul. Reporter Cho Tae-hyung It was found that more than one out of four listed companies in Korea are ‘marginal companies (aka zombie companies)’ that cannot even repay loan interest with the money they earn. The rate of increase in domestic marginal companies was found to be the fastest among major countries around the world. On the 30th, the Korea Economic Cooperation Association analyzed the trends in marginal companies in listed companies in five major countries, including the United States, Japan, Germany, the United Kingdom, and France, and in Korea.