segunda-feira, janeiro 03, 2011
O modelo NK de Kauffman - uma introdução (parte II)
Continuado daqui.
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"With a low K value, an organization can change a particular attribute without significantly impacting the fitness contribution of other organizational attributes. Put more abstractly, with a low K value, the organization faces a highly correlated fitness landscape and is therefore able to engage in effective local adaptation.
...
With higher levels of K, local adaptation is not an effective response to a change in the fitness landscape. A change in a single organizational attribute is likely to have repercussions for the fitness contribution of a variety of other organizational attributes. As a result, with a higher level of K, survival subsequent to a change in the fitness landscape is much more dependent on a successful long-jump or reorientation than local adaptation. Thus, as suggested by the work of Tushman and Romanelli (1985), there may be a correlation between survival and reorientations, but the analysis implies that this correlation should be present only for organizations that have a relatively high intensity of epistatic interactions. When organizations are tightly coupled, and as a result the fitness space is only weakly correlated, local adaptation is not very effective. Under such conditions, survival in the face of a changing environment becomes more linked to a successful (lucky or visionary) long-jump or reorientation."
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Daí que, perante uma importante alteração abiótica, seja preciso tempo para que as organizações façam as alterações estruturais que lhes permitam voltar a um desempenho adequado.
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Trechos retirados de Trecho retirado de capítulo 13 "Organizational Capabilities in Complex" de Daniel Levinthal que faz parte do livro “The Nature and Dynamics of Organizational Capabilities”, editado por Giovanni Dosi, Richard R. Nelson, Sidney G. Winter.
.
"With a low K value, an organization can change a particular attribute without significantly impacting the fitness contribution of other organizational attributes. Put more abstractly, with a low K value, the organization faces a highly correlated fitness landscape and is therefore able to engage in effective local adaptation.
...
With higher levels of K, local adaptation is not an effective response to a change in the fitness landscape. A change in a single organizational attribute is likely to have repercussions for the fitness contribution of a variety of other organizational attributes. As a result, with a higher level of K, survival subsequent to a change in the fitness landscape is much more dependent on a successful long-jump or reorientation than local adaptation. Thus, as suggested by the work of Tushman and Romanelli (1985), there may be a correlation between survival and reorientations, but the analysis implies that this correlation should be present only for organizations that have a relatively high intensity of epistatic interactions. When organizations are tightly coupled, and as a result the fitness space is only weakly correlated, local adaptation is not very effective. Under such conditions, survival in the face of a changing environment becomes more linked to a successful (lucky or visionary) long-jump or reorientation."
.
Daí que, perante uma importante alteração abiótica, seja preciso tempo para que as organizações façam as alterações estruturais que lhes permitam voltar a um desempenho adequado.
.
Trechos retirados de Trecho retirado de capítulo 13 "Organizational Capabilities in Complex" de Daniel Levinthal que faz parte do livro “The Nature and Dynamics of Organizational Capabilities”, editado por Giovanni Dosi, Richard R. Nelson, Sidney G. Winter.
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