Managers often lament the lack of collaboration among internal business units and the loss of synergies that results.
Some give up altogether: Matsushita, the Japanese electronics company, recently sold its last remaining interest in Hollywood. Others struggle on with little to show for their efforts. Sony, for example, has not found much to share between Colombia Pictures and its consumer electronics businesses. A few, such as Mittal Steel, appear to be able to achieve what eludes so many.
