units. This can be seen as an indicator of the extent to which the MNC is capable of putting its corporate-level resources to work on aglobaI scale. Becerra and San tal6 find that about ten percent of the variability of regional units is attributable to corporate effects. The more internationalized the MNC is, the stronger the cor porate effect. This suggests that the more internationalized MNCs are also more successful in integrating their international operations, whether by employing worldwide home-grown advantages, or by spreading over the entire organization resources and capabilities...