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In this paper we propose an unsupervised voting-merging scheme that is capable of clustering data sets, and also of finding the number of clusters existing in them. The voting part of the algorithm allows us to combine several runs of clustering algorithms resulting in a common partition.(...)
Persistent link: https://www.econbiz.de/10005841714
In this paper we use a novel approach and a large Portuguese employer-employee paneldata set to study the hypothesis that industrial agglomeration improves the quality of the firmworkermatching process. Our method makes use of recent developments in the estimationand analysis of models with...
Persistent link: https://www.econbiz.de/10009522215
Wirft man einen Blick auf die Veränderungen der Agrarstrukturen in den letzten Dekaden,so fällt einem unweigerlich die Entwicklung Nordwestdeutschlands auf. Auseinem Gebiet, zum Teil geprägt durch „Ungunsträume“ und Selbstversorgungsstrukturen(Windhorst und Klohn, 1995; Campos, 1992),...
Persistent link: https://www.econbiz.de/10009129508
the existence of an agrarian cluster oragrarian system based on an intensive material and immaterial cross-linking between … farmsand complementary units. Farms in this cluster are competitively better off than nonintegratedfarms and some of them even …
Persistent link: https://www.econbiz.de/10009305156
In this paper we introduce a mixed approach for the semi-supervised data problem. Our approach consists of an ensemble unsupervised learning part where the labeled and unlabeled points are segmented into clusters.(...)
Persistent link: https://www.econbiz.de/10005844778
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urban and regional economist, the cluster approach has contributed to theory and empirical works by emphasizing the … concentration of firms with the other connected institutions. The presence of the complementary actors in the cluster, is the point … of the industries, which have a deep network. Thus, according to the current cluster policy, the target group has shifted …
Persistent link: https://www.econbiz.de/10012172366