Empirical evidence shows that the second half of the 20th century has been characterised by a dramatic change in the evolutionary pattern of firms' size structure: the general tendency towards a growing importance of big business which marked the first phase of post-war development came to a...

This paper tries to cast a theoretical bridge between two important phenomena which have characterised the evolution of advanced capitalist countries over the second half of this century: namely, the shift from the so-called golden age to the "unstable" macroeconomic environment of the '70s and...