In this paper, Swedish export is investigated, and data for export value and the number of firms that export is analysed. The main purpose is to compare constrained gravity models to gravity models without constraints. It is shown that constrained gravity models represent the export data in a relatively better way. The EU common market and transport economies are introduced into versions of the constrained gravity model, and the results show that the model fits the data even better.
Martin AnderssonJönköping International Business School