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	Upper Echelons (TMT) Analysis	Diversification-Performance Analysis (Rumelt Categories)
Oblast	Strateški menadžment	Strateški menadžment
Porodica	Process / pipeline	Process / pipeline
Godina nastanka	1984	1974
Tvorac	Donald C. Hambrick & Phyllis A. Mason	Richard P. Rumelt; Krishna Palepu
Tip	Demography-to-strategy pipeline linking executive characteristics to organizational outcomes	Classification-and-comparison pipeline relating diversification type to firm performance
Temeljni izvor	Hambrick, D. C., & Mason, P. A. (1984). Upper echelons: The organization as a reflection of its top managers. Academy of Management Review, 9(2), 193-206.	Rumelt, R. P. (1974). Strategy, Structure, and Economic Performance. Division of Research, Graduate School of Business Administration, Harvard University. ISBN: 9780875841090
Drugi nazivi	Top Management Team Demography Analysis, Upper Echelons Theory Testing, TMT Characteristics Analysis, Executive Demographic Analysis	Rumelt Diversification Category Analysis, Related vs Unrelated Diversification Analysis, Corporate Diversification Strategy Classification, Diversification Strategy-Performance Linkage
Srodne	3	3
Sažetak	Upper echelons analysis tests the proposition that organizations become reflections of their top managers: that the strategic choices a firm makes and the performance it achieves can be partly predicted from the observable characteristics of its top management team. Hambrick and Mason's 1984 Academy of Management Review article launched this perspective, arguing that because executives act on their construed view of complex situations, their experiences, values, and personalities shape outcomes — and that hard-to-measure cognitions can be proxied by observable traits such as age, tenure, functional background, and education. Hambrick's 2007 update sharpened the theory, emphasizing managerial discretion and executive job demands as the conditions under which executive characteristics matter most. The analysis links team demography to strategy and performance.	Diversification-performance analysis asks whether the kind of diversification a firm pursues — staying focused, expanding into related businesses, or building an unrelated conglomerate — is systematically associated with how well the firm performs. The categorical version originates with Rumelt's 1974 Strategy, Structure, and Economic Performance, which classified diversified firms by specialization and relatedness ratios into single-business, dominant-business, related, and unrelated types and found that related diversifiers tended to outperform unrelated ones. Palepu's 1985 study reframed diversification with the continuous Jacquemin-Berry entropy measure, again finding that related diversification was associated with superior profit growth, and showed how the index approach and Rumelt's categorical method can be combined to gain both objectivity and conceptual richness.