Strategic group dynamics
Article Abstract:
A longitudinal study was conducted of strategic group dynamics over periods of economic stability, growth, and decline in international offshore oil-drilling. Some changes in group strategy were observed during economic growth and decline. Mobility rates among groups were observed to be higher during economic decline than during stability or growth; mobility was also higher between similar groups than between dissimilar groups. The number of groups remained to a large extent the same for an extended period, with the formation of only one additional group. The conditions leading to the formation of this new group are documented. (Reprinted by permission of the publisher.)
Publication Name: Academy of Management Journal
Subject: Business, general
ISSN: 0001-4273
Year: 1989
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Necessity conditions for the predictive validity of strategic groups: analysis without reliance on clustering techniques
Article Abstract:
To investigate necessary conditions for the predictive validity of strategic groups, we grouped firms from five industries, previously studied in strategic groups research, longitudinally by performance using a nonparametric technique; the groupings were confirmed with discriminant function analysis. Stability of performance group membership was examined by ordinal time series analysis and found to be lacking, casting doubt on the efficiency of mobility barriers and hence on the predictive validity of strategic groups. (Reprinted by permission of the publisher.)
Publication Name: Academy of Management Journal
Subject: Business, general
ISSN: 0001-4273
Year: 1995
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