Thirty years after the seminal work of Modigliani and Miller and countless articles the capital structure puzzle is for the most part unsolved. Especially, in this field of research there is a considerable lack of empirical evidence. Using firm level data from seven European countries, this...

In the following paragraphs we will discuss the 'mapping of innovative clusters in national innovation systems'. For this we have used a data set of almost 3.000 firms that participated in the first and fifth survey of the Mannheimer Innovation Survey (which is comparable with CIS data). The...