Since the revival of the gravity literature in the early nineties most work has been done with cross-section data. Just a few more recent contributions made use of panel data. So far that research left open the question whether to treat time and country effects as random or fixed. This note...

This paper assesses the impact of market power and multinationality in EU12 manufacturing industries on EU integration in goods trade in the 90ies. An increase in the market concentration exhibits a positive impact on bilateral exports, while an increase in multinationality works in the opposite...