The literature suggests that the fit between corporate culture and str
ategy influences firm performance. The present study examines the mode
rating effect of diversification strategy on the link between corporat
e ideology, a component of culture, and firm performance. A cross-sect
ional survey of the largest manufacturing firms in the United States w
as conducted measuring corporate ideology and diversification strategy
. A moderated regression analysis was conducted and it was found that
the interaction between ideology and diversification exerts a signific
ant effect on firm performance thus supporting the importance of strat
egic fit.