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Estimating trade flows between Portuguese regions using an Input-output approach

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  • Ana Lúcia Marto Sargento
  • Pedro Miguel Nogueira Ramos

Abstract

The paper we intend to present aims to estimate the trade flows existing between the seven Portuguese regions, considering 49 distinct commodities. This estimation is based on the construction of a multi-regional model that requires the elaboration of an Input-Output table for each one of the regions. These tables were achieved by using non-survey methods, having the Portuguese table as a starting point. However, it was possible to work, on a great part of the estimation procedure, with a considerable high level of detail: 291 commodities and 276 industries. The first proxy to the trade flows was obtained considering that the interregional net exports corresponded to the difference between total resources (supply) and total employment (demand) of the 49 commodities. These values were then modified in order to consider the existence of crosshauling. Finally, gravitational models were used to get to the final values of the trade flows between the seven regions.

Suggested Citation

  • Ana Lúcia Marto Sargento & Pedro Miguel Nogueira Ramos, 2003. "Estimating trade flows between Portuguese regions using an Input-output approach," ERSA conference papers ersa03p118, European Regional Science Association.
    • Handle: RePEc:wiw:wiwrsa:ersa03p118
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    Cited by:

    1. Chris Bachmann & Chris Kennedy & Matthew Roorda, 2015. "Estimating regional trade flows using commercial vehicle survey data," The Annals of Regional Science, Springer;Western Regional Science Association, vol. 54(3), pages 855-876, May.
    2. Eduardo Haddad & Vasco Silva & Alexandre Porsse & Tomaz Dentinho, 2015. "Multipliers in an Island Economy: The Case of the Azores," World Scientific Book Chapters, in: Amitrajeet A Batabyal & Peter Nijkamp (ed.), THE REGION AND TRADE New Analytical Directions, chapter 8, pages 205-226, World Scientific Publishing Co. Pte. Ltd..
    3. Ana Lúcia Marto Sargento, 2007. "Empirical Examination of the Gravity Model in two Different Contexts: Estimation and Explanation," Review of Regional Research: Jahrbuch für Regionalwissenschaft, Springer;Gesellschaft für Regionalforschung (GfR), vol. 27(2), pages 103-127, August.

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