the cost of switching internet providers in french broadband industry or why adsl has diffused faster than other innovative technologies n 2006 16 october jackie krafft cnrs evens salies ofce abstract paper focuses on that is characterised by inertia phenomena terms technology choice we argue although supply side helps to explain diffusion a more complete picture can be obtained when consider existence costs faced customers between service isps calculate these so called and conclude they act as barrier mobility thus bringing about dominance supplied largest firm keywords consumers technological evolution industries jel classification l11 l86 033 acknowledgements preliminary version this was presented at iss conference organised sophia antipolis june it part research project funded agence nationale de la recherche
