Chaebol of South Korea's top conglomerates has decreased from 2012 to 2015. Not only did their profits stop increasing, but certain chaebols such as LG, have been making losses and losing talent. Some chaebol are one large corporation while others have broken up into loosely connected groups of separate companies sharing a common name. Even in the latter case, each is almost always owned, controlled, or managed by the same family group. South Korea's chaebol are often compared with Japan's keiretsu business groupings, the successors to the pre-war zaibatsu. While the "chaebol" are similar to the "zaibatsu" (the words are cognates,
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