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.(...)

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...

Den Gegenstand dieses Beitrags bildet eine empirische Studie, in der westdeutschen Investitionsgüterhersteller anhand der Ausprägung ihrer Unternehmensstrategien, ihrer Strategieprofile, clusteranalytisch untersucht worden sind...

We analyze empirically the impact of urban agglomeration on Italian wages. Using micro-data from the Bank of Italy'sSurvey of Household Income and Wealth for the years 1995, 1998, 2000 and 2002 on more than 22,000 employeesdistributed in 242 randomly drawn local labor markets (30 percent of the...

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),...

European cities like Rome, Helsinki and Dublin differ from one another by virtue ofregional architectonic peculiarities and individual problems caused by the social andeconomic changes each city is facing. “What they have in common is that theircharacter is determined by the model of the...

The paper deals with the significant impact of location on innovation activity that has been found in many empirical studies. Main elements of such an explanation are the specific problems of a division of innovative labor. Based on an outline of these issues the concept of a regional innovation...