Democratic Republican Party (South Korea) combination of state and corporate chaebol power pioneered by the party continues to be deeply built into the foundations of the South Korean economic system. Following the promulgation in October 1972 of the Yushin Constitution, which implemented numerous authoritarian centralizing measures such as the direct appointment of a third of the National Assembly by the President, the DRP assumed an unprecedented level of political power. For the next eight years, South Korea was essentially a one-party state ruled by the DRP. After Park's assassination on 26 October 1979 and the seizure of power by Chun Doo-hwan in the coup d'état
Chaebol culture. Massive market concentration exists as is evident from the fact that 80% of the country's GDP is derived from the chaebol. The largest of the group, Samsung, exports 20% of South Korea's goods and services alone. Although no longer financially supported by the government, these firms have attained economies of scale on such a massive level that it is extremely difficult for a startup or small or medium enterprise (SME) to surmount the high barriers to entry. A majority of these smaller companies end up being acquired by the chaebol, only increasing their size and economic dominance. In recent