Scientific performance should not be measured by a one-dimensional metric such as publication, since it is a multi-dimensional phenomenon. A quantitative analysis of the activities of research groups in three scientific fields demonstrates in particular the importance of sufficient numbers of...

Corruption as social phenomenon is studied by a variety of disciplines?? anthropology, criminology, development theory, economics, political science, psychology, sociology. Each of them has developed its own scientific traditions associated with different methods of collecting and analyzing...

This paper summarizes some of the most influential economic concepts developed by Gottfried Haberler, a leading economic theorist of the 20th century. The importance of his theories for modern economic thought cannot be overestimated. His ideas on price indices, applied opportunity costs for...

Employing public resources for promoting entrepreneurships demands careful selection of candidates who are most promising to set up a successful entrepreneurial career. This study addresses the relation between an individuals’ entrepreneurial potential, identified through personality traits,...

Structural reforms and market liberalization have led to a transformation of the Tanzanian economy since the mid-1980s. Studies on enterprises in the manufacturing sector seem to indicate that entrepreneurs persistently operated with low capacity utilization in the 1990s. In a liberalized market...

The measurement of transaction costs in an economy is a question of present interest and a difficult problem for every country. Attempts for measuring the transaction costs do not take effect mostly due to the fact that the data being gathered by the System of National Accounts do not correspond...

he sociological literature on social networks emphasizes by and large positive network effects. Negative effects of such networks are discussed rather rarely. This paper tackles negative effects by applying economic theory, particularly neoclassical theory, new institutional theory and the...