The Egnatia Motorway, located in the northern part of Greece, constitutes one of the most important, as well as ambitious, projects of the Trans-European Transport Networks programme (TETN) funded by the European Commission. It is expected to greatly influence the spatial economic relationships of several regions across the country. The motorway crosses all administrative regions of Northern Greece, and the expectations currently sustained by the public as regards its contribution to regional development are exceptionally great. As numerous empirical studies have already shown, the most important changes in regional economy induced by interregional transportation infrastructure are associated with trade flows between different regions. This paper analyses the major determinants of interregional trade in Greece and estimates the changes in interregional trade flows which the construction of the Egnatia Motorway is capable of generating.
This paper analysis the gravity model of interregional trade of Irkutsk region the base of statistical data on gross regional products and trade flows between Russian regions. We find that the market size significantly impacts the trade volumes. The elasticity of export on importer region size is approximately equal to one. Moreover, it appears that the distance significantly negatively impacts the trade volumes. The elasticity of export on distance to the importer region is approximately equal to -1,5. We also find that Irkutsk region trade with Eastern regions is significantly (about 11 times) greater. Furthermore, we arrive at the conclusions that the absence of railroad significantly negatively (about 4 times) impacts the trade flows.
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