Empirical analyses suggest that the employment creating effect of start-ups is highest in regions with a low level of new business formation and that an increase in the regional start-up rate beyond a certain level may lead to negative employment effect. In explaining these results, we assume...

Mit der Globalisierung ist über den Wettbewerb auf den Gütermärkten hinaus vor allem der Wettbewerb der Ordnungen deutlich fühlbarer geworden. In dieser 'flachen Welt' sind Staaten oder Staatenbünde aufgefordert, Rahmenbedingungen zu schaffen, die es den einzelnen Unternehmen ermöglichen,...

We investigate whether the Roman presence in the southern part of Germany nearly 2,000 years ago had a deep imprinting effect with long run consequences on a broad spectrum of measures ranging from present-day personality profiles to a number of socioeconomic outcomes and why. Today's...

The value of social network analysis is critically dependent on the comprehensive and reliable identification of actors and their relationships. We compare regional knowledge networks based on different types of data sources, namely, co-patents, co-publications, and publicly subsidized...

Die wesentlichen Grundlagen für regionale Innovationsprozesse sind das vorhandene Wissen sowie die Fähigkeit, neues Wissen aufzunehmen und es kommerziell zu nutzen. Dabei kommt den Kooperationsbeziehungen und der Einbindung in überregionale Netzwerke große Bedeutung zu. Für die...

We investigate the geographic concentration of patenting in large cities using a sample of 14 developed countries. There is wide dispersion of the share of patented inventions in large metropolitan areas. South Korea and the US are two extreme outliers where patenting is highly concentrated in...

Popular theories claim that innovation activities should be located in large cities because of more favorable environmental conditions that are absent in smaller cities or remote and rural areas. Germany provides a clear counterexample to such theories. We argue that a main force behind the...

We investigate whether the Roman presence in the southern part of Germany nearly 2,000 years ago had a deep imprinting effect with long run consequences on a broad spectrum of measures ranging from present-day personality profiles to a number of socioeconomic outcomes and why. Today's...