In this paper we study how international trade in goods and services interact at the firm level. Using a rich dataset on Belgian firms during the period 1995-2005, we show that: i) firms are much more likely to source services and goods inputs from the same origin country rather than from...

In this paper, we present for the first time a qualitative and quantitative comparison between trade in services and trade in goods at firm level for the same country. We focus first on static features of trade such as participation rates, firms' characteristics, heterogeneity, concentration and...