Leydesdorff, L.

knowledge base knowledge information economy service level sector dimension technology region system relation province table distribution organization uncertainty indicator knowledge-intensive services leydesdorff effect knowledge-based economy entropy manufacturing innovation knowledge-based knowledge-intensive value medium-tech netherland nuts -3 level research number classification interaction structure figure industry medium-tech manufacturing medium-tech sectors dutch economy utrecht study journal network dutch statistic contribution configuration business result development science company management employment university university-industry-government relations product r &d intensity example country nuts -2 level theory storper flevoland helix decomposition measure economic policy systems level friesland south-holland research policy trinity territory overlap overlay activity