Chaebol General Motors and Renault. The chaebol debts were not only to state industrial banks but also to independent banks and their own financial services subsidiaries. The scale of the loan defaults meant that banks could neither foreclose nor write off bad loans without themselves collapsing, so the failure to service these debts quickly caused a systemic banking crisis, and South Korea turned to the IMF for assistance. The most spectacular example came in mid-1999, with the collapse of the Daewoo Group, which had some US$80 billion in unpaid debt. At the time, it was the largest corporate bankruptcy in history.
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