FDI is associated with technology diffusion and spillovers; however, it is not clear whether these are large enough to always justify the pervasive and large subsidies with which governments are trying to lure multinational firms. ###>L'IED est lui aussi associé au phénomène, mais on ignore encore si cela justifie les subventions généreuses tous azimuts par lesquelles les pouvoirs publics essaient d'attirer les sociétés multinationales.