Fig. 10From: The network of international trade in servicesAbove: For the Transportation services (S205) network in year 2012, the Principal Component Analysis of the Directed Graphlet Degree Vectors perfectly classifies the countries’ role in terms of their import/export Relative Comparative Advantage. Below: The classification fails if only in-/out-strenght (i.e. import/export flows) are consideredBack to article page