Showing 1 - 10 of 92
Bundesrepublik Deutschland die zeitliche Streuung von Aktienrenditen nur schlechter abbilden. Dagegen werden Portfolio-Renditen im …
Persistent link: https://www.econbiz.de/10010297296
This paper analyzes the effects of public R&D subsidies on R&D expenditure in the German manufacturing sector. The focus is on the question whether public R&D funding stimulates or crowds out private investment. Cross sectional data at the firm level is used. By apllying parametric and...
Persistent link: https://www.econbiz.de/10010297313
This paper analyses the relationship between firm productivity and export behavior in German manufacturing firms. We examine whether productivity increases the probability of exporting, and assert that there is a causal relationship from high productivity to entering foreign markets, as...
Persistent link: https://www.econbiz.de/10010297328
This paper presents and compares several time-series models for returns of broadbased stock indices. These models nest a nonlinear asymmetric GARCH (NGARCH) model as a special case. Some of these models are empirically motivated ad-hoc specifications others are derived from a representative...
Persistent link: https://www.econbiz.de/10010297345
This paper analyzes the effects of public R&D funding on R&D expenditure and patenting behavior of German firms. The main focus is the direct impact of subsidies on R&D and the indirect effect on innovation output measured by patent applications. We distinguish the productivity of purely...
Persistent link: https://www.econbiz.de/10010297381
Mit dem Ziel die technologische Wettbewerbsfähigkeit zu steigern, investieren die Staaten der OECD jährlich beträchtliche Summen in die Förderung von Forschungs- und Entwicklungsaktivitäten (FuE). Angesichts knapper öffentlicher Budgets ist der Effektivität und Effizienz dieser Förderung...
Persistent link: https://www.econbiz.de/10010297418
In the context of increasing globalization of markets, merger and acquisition activities in the 1990s are said to be driven by reorganization processes with respect to concentration on firms? core competencies in order to increase or maintain market power in international markets. This paper...
Persistent link: https://www.econbiz.de/10010297448
This paper tests some of the predictions of recent advances in trade theory that have focused on different trade patterns of firms within the same sector. Helpman, Melitz and Yeaple (2005) develop a model in which innate productivity differences between firms determine the degree of...
Persistent link: https://www.econbiz.de/10010297485
As a group, market forecasters are egregiously overconfident. In conformity to the dynamic model of overconfidence of Gervais and Odean (2001), successful forecasters become more overconfident. What?s more, more experienced forecasters have ?learned to be overconfident,? and hence are more...
Persistent link: https://www.econbiz.de/10010297495
Subsidising research networks has become a popular instrument in technology policies, driven mainly by expected positive spillovers. In particular, the stimulation of R&D co-operation between scientific institutions and industry is considered as most promising. In the context of policy...
Persistent link: https://www.econbiz.de/10010297545