Ports, Technology and Inter-City Trade: The Economics and Geopolitics of Evolving Maritime Transport Networks

Reka Juhasz, Dávid Krisztián Nagy, Claudia Steinwender and Woan Foong Wong

No 12793, CESifo Working Paper Series from CESifo

Abstract: Maritime transport remains the backbone of global trade, yet the port and shipping network that carries it has been transformed by containerization and related technological advances. Drawing on newly available granular data — digitized historical shipping records, georeferenced ship movements, and shipment-level routing information — we present five stylized facts on the structure and evolution of the maritime network. Global shipping activity is highly concentrated among a changing lineup of dominant top ports even as lower-ranked ports disperse, while state-owned Chinese port terminal operators increasingly account for these global volumes, boosting overall port operations while delivering efficiency gains mostly to Chinese vessels. We use these facts to organize a synthesis of a fast-growing literature: containerization reshaped which port cities could expand, reinforced hub-and-spoke concentration that yields large but localized welfare gains, embedded ports in multimodal networks that amplify the returns to infrastructure, and generated market power, congestion, and environmental costs. Together, this evidence shows how evolving maritime technologies simultaneously deepen global integration and heighten the economic and geopolitical importance of critical nodes in the transport network — and of who controls them.

Keywords: transport networks; ports; international trade; trade costs; containerization; geoeconomics (search for similar items in EconPapers)
JEL-codes: F13 F14 R41 R42 (search for similar items in EconPapers)
Date: 2026
New Economics Papers: this item is included in nep-tre
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Related works:
Working Paper: Ports, technology and inter-city trade: the economics and geopolitics of evolving maritime transport networks (2026)
Working Paper: Ports, Technology and Inter-City Trade: The Economics and Geopolitics of Evolving Maritime Transport Networks (2026)
Working Paper: Ports, Technology and Inter-City Trade: The Economics and Geopolitics of Evolving Maritime Transport Networks (2026)
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