Konno, Tomohiko - In: Economics Bulletin 32 (2012) 4, pp. 3279-3286
We studied how links are formed according to the distance in transaction network of 800,000 firms. We investigated the inter-firm transaction network of $800,000$ firms in Japan. They are almost all firms in Japan. As far as we know, scale-freeness, hierarchy, and degree-degree correlation were...