Chaebol played a key role in developing new industries, markets, and export production, helping make South Korea one of the Four Asian Tigers. Although South Korea's major industrial programs did not begin until the early 1960s, the origins of the country's entrepreneurial elite were found in the political economy of the 1950s. Very few Koreans had owned or managed larger corporations during the Japanese colonial period. After the departure of the Japanese in 1945, some Korean businessmen obtained the assets of some of the Japanese firms, a number of which grew into the chaebol of the 1990s. The companies, as well
Owned-and-operated station an affiliation with but has never owned). In general, an O&O is very unlikely to experience changes in its ownership, since it is often a significant source of revenue for its owner; and since its owner is also its parent network, the chances for an O&O to ever switch networks are also rather low – unless the station is, on the rare chance, sold to another network. However, in instances where the network finds an O&O to be no longer financially viable, it may choose to sell the station to a new owner or, in severe cases, simply close the