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"Complex Economic Activities Concentrate in Large Cities."
Pierre-Alexandre Balland et al. (2018)
- Pierre-Alexandre Balland, Cristian Jara-Figueroa, Sergio Petralia, Mathieu P. A. Steijn, David Rigby, César A. Hidalgo:
Complex Economic Activities Concentrate in Large Cities. CoRR abs/1807.07887 (2018)
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