Multi-product exporters choose their product mix focusing on their best-performing products. Although their product mix varies across countries (the fickle fringe), the interdependence in demand or production technology making vectors of products systematically co-exported leads to commonalities...

Based on firm level data in the French manufacturing sector, we find that firms adapt quickly, strongly and through multiple channels to energy shocks, even though electricity and gas bills represent a very small share of their total costs. Over the period 1996-2019, faced with an idiosyncratic...