In its search for the answer to the question of firm performance differences, the strategy field has provided two types of answers - differences in firms' current competitive position (Porter, 1996) or differences in position at some prior time point (Selznick, 1957), where the latter sort of...

Strategists have tended to explain sustained performance differences across firms in terms of two types of interactions among choices: cross-sectional interactions and longitudinal ones. We explore the interplay between these two sorts of forces first in a qualitative manner drawing on case of...