Integrating network analysis and interregional trade to study the spatial impact of transport infrastructure using production functions

摘要: The production function approach is used to analyze the role of transport infrastructure on GDP. Different regression techniques are employed estimate its impact and in combination with other inputs, particularly employment private capital stock. One problem with traditional that it incorporates as explanatory variable public capital stock a whole, i.e., existing gross stock calculated by statistical offices, which does not take into account real use economic agents make of the available networks (network effects). To overcome this drawback we introduce a new concept reflecting benefit obtained by the regions when accessing markets using their own (internal stock), well as those neighboring non-neighboring regions (imported stock). While former contributes directly region, latter can be associated spillover effect from importing exporting goods. Both, internal imported infrastructure stocks network analysis performed in GIS, enables us to account exclusively for actually trading flows. Production functions incorporating imported estimated panel data econometric . magnitude significance these variables regional well as provincial GDP determined discussed Spanish case 1980-2007 period