We formulate a model that explicitly separates two functions in the innovation process: The introduction of new goods and the quality improvement of existing goods. While the latter is performed by the corporate R+D sector, the first is performed by entrepreneurs. We show that in a three sector...

Based on a sample of German innovating firms that contains information on formal and informal innovation cooperation between customers and suppliers, we state that firms perceive informal cooperation as being more important than formal cooperation modes. We then investigate the determinants of...

In this paper we suggest an structural model that specifies firm growth as a function of firm specific parameters and of competition for purchase power with other firms on a given market. Moreover, we explicitely model firms? innovative behaviour and distinguish between dierent innovation...

The paper analyses the impact of venture capital finance on growth and innovation activities of young German firms. Among other variables, our panel of firm data includes data on venture capital funding and patent applications. With a statistical matching procedure we draw an adequate control...

Emissions resulting from the production process can be characterized as “use of the elimination and disposal services of the ecological system”. Hence, they are “use of natural resources” and thus an input to production. The present paper discusses an approach to evaluate the returns of...

While the neoclassical growth theory considered economic growth as a process of mere accumulation of production capital, the endogenous growth theory shifted the lens to the importance of knowledge in the production process and its potential to create spillovers. We argue in this paper that...

The paper analyses the impact of venture capital finance on growth and innovation activities of young German firms. Among other variables, our panel of firm data includes data on venture capital funding and patent applications. With statistical matching procedures we draw an adequate control...