?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Feprints.imtlucca.it%2F2325%2F&rft.title=Global+value+trees&rft.creator=Zhu%2C+Zhen&rft.creator=Puliga%2C+Michelangelo&rft.creator=Cerina%2C+Federica&rft.creator=Chessa%2C+Alessandro&rft.creator=Riccaboni%2C+Massimo&rft.subject=HB+Economic+Theory&rft.subject=HD+Industries.+Land+use.+Labor&rft.description=The+fragmentation+of+production+across+countries+has+become+an+important+feature+of+the+globalization+in+recent+decades+and+is+often+conceptualized+by+the+term%2C+global+value+chains+(GVCs).+When+empirically+investigating+the+GVCs%2C+previous+studies+are+mainly+interested+in+knowing+how+global%0D%0Athe+GVCs+are+rather+than+how+the+GVCs+look+like.+From+a+complex+networks+perspective%2C+we+use+the+World+Input-Output+Database+(WIOD)+to+study+the+global+production+system.+We+find+that+the+industry-level+GVCs+are+indeed+not+chain-like+but+are+better+characterized+by+the+tree+topology.+Hence%2C+we+compute+the+global+value+trees+(GVTs)+for+all+the+industries+available+in+the+WIOD.+Moreover%2C+we+compute+an+industry+importance+measure+based+on+the+GVTs+and+compare+it+with+other+network+centrality+measures.+Finally%2C+we+discuss+some+future+applications+of+the+GVTs.&rft.publisher=IMT+Institute+for+Advanced+Studies+Lucca&rft.date=2014-10&rft.type=Working+Paper&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.language=en&rft.rights=cc_by_nd&rft.identifier=http%3A%2F%2Feprints.imtlucca.it%2F2325%2F1%2FEIC_WP_11_2014.pdf&rft.identifier=++Zhu%2C+Zhen+and+Puliga%2C+Michelangelo+and+Cerina%2C+Federica+and+Chessa%2C+Alessandro+and+Riccaboni%2C+Massimo++Global+value+trees.++EIC+working+paper+series++%2311%2F2014++++IMT+Institute+for+Advanced+Studies+Lucca++++ISSN+2279-6894.++++++