Tacchella, A.; Cristelli, M.; Caldarelli, G.; Gabrielli, A. - In: Journal of Economic Dynamics and Control 37 (2013) 8, pp. 1683-1691
The availability of data corresponding to the products exported by all countries provides an excellent dataset to test economic ideas and extracts new information about the process of economic development. The matrix of countries and exported products shows a marked triangular structure instead...