Sub-Saharan Africa ranks among the top regions in terms of growth in the number of mobile phone users. The success of mobile telephony is attributed to the opening of markets for private players and lenient regulatory policy. However, markets may be increasingly saturated and new regulations...

International openness enhances social interactions between citizens of different countries or regions and vice versa. Social exchanges, in turn, increase trade flows between countries and influence markets and prices. We analyze the increased mobility that follows from openness between two...

This paper attempts to evaluate the macroeconomic impact of venture capital (VC). We test the assumption that VC is similar in several respects to business R&D performed by large firms and therefore contributes to economic growth through two main channels: innovation and absorptive capacity. The...

This paper attempts to identify and evaluate the main determinants of venture capital (VC). We develop a theoretical model where macroeconomic conditions, technological opportunity, and the entrepreneurial environment affect the demand and supply of VC. The quantitative results, based on a panel...

Our paper analyzes the interplay of organizational demography with the propensity to adopt an innovative practice. In particular, we examine how the demographical composition of professional German football teams influenced the adoption of the chain-defense-system (?Viererkette?) as well as the...

This contribution is concerned with the spread of new products in small and medium-sized enterprises in the manufacturing sector. Based on an empirical study it is analyzed according to which factors planned product launches are either genuine market novelties or products that are new from the...

This paper analyzes the link between the diffusion of information- and communication technology (ICT) and both the skill structure and employment expectations of the different skill categories. The analysis is based on cross-sectional data for 4150 German firms conducted in mid-2000. The...

In the discussion on innovations for sustainable development, radical innovations are frequently called for in order that the transformation of society to a system perceived as sustainable can succeed. The reason given for this is the greater environmental efficiency of these innovations. This...

Biotechnology is often regarded as a key technology with high potential for far-reaching social, environmental and economic impacts. Among others, the development and diffusion of biotechnology may have considerable economic effects on production and employment. This paper analyzes the economic...

This paper develops a new open-economy endogenous growth model where technology diffusion allows for a stable and non-degenerate world income distribution. In accordance with the empirical literature, I find that country characteristics such as the social infrastructure, the degree of openness,...