Foutakis, Dimitris - In: Economies : open access journal 13 (2025) 1, pp. 1-31
matrix of an economy's input-output tables. To analyze these relationships, we use network theory, in the context of which … the transaction matrix can be seen as the adjacency matrix of a directed, weighted graph (or network) with loops. In this … study, clusters are identified for the case of Greece, using two different approaches based on the modularity of the network …