Disentangling the corporate effect on subsidiary performance

Research Summary Corporate parents are important to subsidiary performance, but prior strategy research presents mixed results about the extent to which parents drive subsidiary performance differences. Drawing on the corporate strategy literature, we argue that corporate parents’ influence depends on the size of the corporate portfolio that determines subsidiaries’ access to finite corporate resources and the contextual conditions—industrial relatedness and institutional distance—that favor or constrain the applicability of said resources. We find support using a variance decomposition analysis and data on 12,336 subsidiaries of 854 multinational firms. Our study demonstrates that the corporate effect varies according to the structure of the corporate portfolio and the subsidiaries in it. We reconcile theoretical arguments and empirical findings regarding the relative importance of corporate parents to subsidiary performance. Managerial Summary A core objective of corporate managers is understanding those channels most salient to subsidiary performance. The implicit assumption is that the corporate parent matters, but how much so remains unclear, especially since corporate parents cannot contribute equally to all subsidiaries. We demonstrate that the corporate parents of small subsidiary portfolios play a significant role in explaining subsidiary performance differences vis‐à‐vis parents of larger portfolios. We also show how this relative importance increases when subsidiaries exhibit higher industrial relatedness to and institutional distance from the parent. Our findings offer insights into the role of corporate parents in multiunit firms that operate across multiple industries and geographic locations, as well as the need to consider the heterogeneity of corporate influence within and between subsidiary portfolios.