R&D expenditures of firms varies vastly between and within industries. In recent years a lot of theoretical and empirical studies attempted to explain the distribution of R&D expenditures. Four main factors repeatedly appeared in this literature: Firm size, market power, appropriability and...

The present paper deals with the question whether 'Gibrat's law' is applicable to firms founded between 1989 and 1996 within the Western German manufacturing sector or not. The underlying assumption is that size of a firm has no influence on its growth. Growth is rather determined by a process...