This paper sheds new light on the negative effect of spatial distance on knowledge flows. We show that it is rooted in the dynamics of the innovation network formation over firms' life-cycles: young and small firms have contacts near them, and progressively expand their network. Using patent...

Global trade contracted quickly and severely during the global crisis. This paper, using a unique dataset of French firms, matching together export data with firm-level credit constraints, shows that most of the 2008-2009 trade collapse is accounted by the unprecedented demand shock and by...

We propose a new “global” market share indicator that complements the traditional export market share analysis by accounting for the foreign value added embodied in the production process and for the performance of national firms on their domestic market. We also consider all the income from...