Bertschek, Irene; Fryges, Helmut; Kaiser, Ulrich - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2004
-to-business (B2B) e-commerce. Our approach allows B2B usage to affect any parameter of the labour productivity equation and to …,394 German firms shows that firms using B2B e-commerce have a significantly higher output elasticity with respect to ICT …