2013
DOI: 10.1007/s11403-013-0108-y
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Modeling the International-Trade Network: a gravity approach

Abstract: Standard-Nutzungsbedingungen:Die Dokumente auf EconStor dürfen zu eigenen wissenschaftlichen Zwecken und zum Privatgebrauch gespeichert und kopiert werden.Sie dürfen die Dokumente nicht für öffentliche oder kommerzielle Zwecke vervielfältigen, öffentlich ausstellen, öffentlich zugänglich machen, vertreiben oder anderweitig nutzen.Sofern die Verfasser die Dokumente unter Open-Content-Lizenzen (insbesondere CC-Lizenzen) zur Verfügung gestellt haben sollten, gelten abweichend von diesen Nutzungsbedingungen die in… Show more

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Cited by 108 publications
(98 citation statements)
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References 60 publications
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“…Even if gravity models have been proved to be valid to predict the weighted structure of the WTW [3], three limitations of this approach consist 1) in the exclusively weighted nature of the predicted network, 2) in the trivial topological structure it induces, 3) in the lack of a reciprocity structure of tradeflows between the same nodes that cannot be predictable. In fact, gravity models cannot predict zero trade between any two countries (exactly as the gravity force between any two bodies cannot be zero), thus creating a trivially, fully connected World Trade Web.…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…Even if gravity models have been proved to be valid to predict the weighted structure of the WTW [3], three limitations of this approach consist 1) in the exclusively weighted nature of the predicted network, 2) in the trivial topological structure it induces, 3) in the lack of a reciprocity structure of tradeflows between the same nodes that cannot be predictable. In fact, gravity models cannot predict zero trade between any two countries (exactly as the gravity force between any two bodies cannot be zero), thus creating a trivially, fully connected World Trade Web.…”
Section: Introductionmentioning
confidence: 99%
“…Moreover, by using only the aforementioned quantities, even if asymmetric flows can be induced (by means of additional parameters: usually exponents), a "reciprocal flow" cannot be defined between countries, thus failing to reproduce the strong observed reciprocity [4], [5], [6], [7] of trade-exchanges. Variations of the gravity models have been defined so far (the so-called zero-inflated gravity models [3]) to overcome the first two problems and to be able also to predict the existence of a link (and not only its weight, once its existence has been observed). However, the prediction thus obtained does not seem to be good at all [3], with the consequence that all the topological structure has be known in advance, to succesfully reproduce the observed weights.…”
Section: Introductionmentioning
confidence: 99%
“…The properties of the binary directed representation of the ITN built with this dataset were examined by De Benedictis and Tajoli (2011) and Duenas and Fagiolo (2011). Table 1 presents some descriptive statistics.…”
mentioning
confidence: 99%
“…Nevertheless, the similarity is striking and Wilson's intuition remarkable [24]. Gravity models proved to be good predictors of trade volumes but exhibited major shortcomings [25]. As a result, they have seen a long, uneven success and found as many advocates as detractors prompting as much research to improve them as to overcome them.…”
Section: The 'Distance Puzzle'mentioning
confidence: 99%