Scale-Free Networks in International Trade
The paper analyzes the network structure of international trade. Adapting a network approach developed in the physical sciences, we propose that international trade functions like a scale-free network. For each commodity group we calculate a characteristic parameter which reflects the structure of its trading network. We then insert this variable into an expanded gravity model to explore the effect of the network structure on the value of bilateral trade. The estimation suggests that, inter alia, globalization has reduced the value of trade per product group.
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- James E. Rauch, 1996.
"Networks versus Markets in International Trade,"
NBER Working Papers
5617, National Bureau of Economic Research, Inc.
- Laszlo Matyas, 1997. "Proper Econometric Specification of the Gravity Model," The World Economy, Wiley Blackwell, vol. 20(3), pages 363-368, 05.
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- Wilhite, Allen, 2001. "Bilateral Trade and 'Small-World' Networks," Computational Economics, Society for Computational Economics, vol. 18(1), pages 49-64, August.
- Egger, Peter, 2000.
"A note on the proper econometric specification of the gravity equation,"
Elsevier, vol. 66(1), pages 25-31, January.
- Peter Egger, . "A Note on the Proper Econometric Specification of the Gravity Equation," WIFO Working Papers 108, WIFO.
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