2Euripidis Loukis,Pedro Soto-Acosta,Konstantinos Pazalos.Using structural equation modelling for investigating theimpact of e-business on ICT and non-ICT assets,processesand business performance[J].Operational Research,2013,13(1):89-111.
8E. Bfynjolfsson. The Productivity Paradox of Information Technology[J]. Communications of the ACM, 1993,36 (12) : 67-77.
9P.Weill .The Relationship between Investment in it and Firm Performance a Study of the Valve Manufacturing Sector [J]. Information systems Research, 1992, 3 (4) : 307-333.
10L.M. Hitt, E. Brynjolfsson. Productivity .Business Profitability and Consumer Surplus, Three Different measures of IT value[J]. MIS Quarterly, 1996,20 (2): 121-142.