The chaebol system has proved prone to fraud, dodgy accounting and illegal political contributions. Many of the companies depend to an unhealthy degree on a founder or his family. About half the managers of Samsung's firms used to work in the chairman's secretariat—and thus directly for the founder or his son—and owe their promotion to the associated patronage. As with any family business, the moment of greatest danger is when the leadership passes to the next generation. Samsung passed this test in 1987 when the founder handed over to his son, Lee Kun-hee. Now Mr Lee's son, Jay Y. Lee, has been appointed chief operating officer of Samsung Electronics and a new transition looms. If Mr Lee the third has business acumen, fine. If not, the whole country could suffer.