restructuring in their S&T; systems. The question of sources of growth - or indeed of stagnation - is an increasingly urgent one, from both the policy and academic perspectives. In that context there is a pressing need for in-depth assessment of restructuring patterns in science, technology and industry in the region, as a basis for understanding how restructuring in S&T; is linked to industrial restructuring, and to general economic and social transfonnation. As the contributions to this volume show, there is now a critical mass of quantitative data across the post-socialist countries which deserves to be studied more thoroughly in a comparative manner. The changes of the last ten years have produced varying patterns of adjustment which are now clearly visible in S&T; and structural indicators.