Transport in South Korea roads and various classifications below the national level. Almost all freeways are toll highways and most of the expressways are built, maintained and operated by Korea Expressway Corporation (KEC). The freeway network serves most parts of South Korea. Tolls are collected using an electronic toll collection system. KEC also operates service amenities (dining and service facilities) en route. There are also several privately financed toll roads. Nonsan-Cheonan Expressway, Daegu-Busan Expressway, Incheon International Airport Expressway, Seoul-Chuncheon Expressway and parts of the Seoul Ring Expressway are wholly privately funded and operated BOT concessions. Donghae Expressway was built in cooperation between KEC and
Chaebol Investigations also exposed widespread corruption in the chaebol, particularly fraudulent accounting and bribery. Still, South Korea recovered quickly from the crisis, and most of the blame for economic problems was shifted to the IMF. The remaining chaebol have grown substantially since the crisis, but they have maintained far lower debt levels. In 2014, the largest chaebol, Samsung, composed about 17% of the South Korean economy and held roughly US$17 billion in cash. However, recent financial statements of these chaebols actually show that chaebols are slowly losing power over either international competition or internal disruptions from newly emerging startups. Net profit/income