192 citations · 350 across the 13 of their papers we have counts for
5 papers · 1 filter
Product-level value chains from firm data: mapping trophic levels into economic growth
Massimiliano Fessina, Andrea Tacchella, Andrea Zaccaria
We reconstruct a product-level input-output network based on firm-level import-export data of Italian firms. We show that the network has a statistically significant, yet nuanced t…
Comparative Analysis of Technological Fitness and Coherence at different geographical scales
Matteo Straccamore, Matteo Bruno, Andrea Tacchella
Debates over the trade-offs between specialization and diversification have long intrigued scholars and policymakers. Specialization can amplify an economy by concentrating on core…
Relatedness in the Era of Machine Learning
Andrea Tacchella, Andrea Zaccaria, Marco Miccheli +1
Relatedness is a quantification of how much two human activities are similar in terms of the inputs and contexts needed for their development. Under the idea that it is easier to m…
The Build-Up of Diversity in Complex Ecosystems
Andrea Tacchella, Riccardo Di Clemente, Andrea Gabrielli +1
Diversity is a fundamental feature of ecosystems, even when the concept of ecosystem is extended to sociology or economics. Diversity can be intended as the count of different item…
A network analysis of countries' export flows: firm grounds for the building blocks of the economy
Guido Caldarelli, Matthieu Cristelli, Andrea Gabrielli +3
In this paper we analyze the bipartite network of countries and products from UN data on country production. We define the country-country and product-product projected networks an…