Telecommunication market in USA and Japan

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1 industry convergence and the transformation of mobile communications system innovation elmar gerum insa sjurts nils stieglitz philipps university marburg department business administration economics universitaetsstr 24 35032 germany wiwi uni de hms hamburg media school finkenau 35 22081 i hamburgmediaschool universitaetsstrasse corresponding author first draft 07 19 2004 please do not quote comments very welcome abstract telecommunications experienced fast largely unexpected growth during last decade rapid innovations have characterized industrial dynamics leading to a market structure changes in strategies key actors paper explores significance for understanding evolution its sectoral jel codes l22 l63 o31 o32 keywords 2 developing from small niche an integral part new