4Charles,J.Information resources and economic productivity[J].Information Economics and Policy,1983 (1):13-35.
5P Weill.The relationship between investment in information technology and firm performance:a study of the value manufacturing sector[J].Information Systems Research,1992(4):307-333.
6A Yosri.The relationship between information technology expenditures and revenue contributing factors in large corporations[D].Minneapolis:Walden University,1992.
7M G Mahmood,etc.Information technology investment and organization performance:a lagged data analysis[C] //Khosrowpour.Proceedings of the 1998 Resource Management Association International Conference.Harrisburg,Pennsylvania:Idea Group Pubishing,1998.
8Dewan,Kraemer.Information technology and productivity:evidence from country--level data[J].Management Science,2000 (4):548-562.
9Theophanis Stratopoulos,Bruce Dehning.Does successful investment in information technology solve the productivity paradox?[J].Information & Management,2000 (38):103-117.
10Christopher Gust,Jaime Marquez.International comparisons of productivity growth:the role of information technology and regulatory practices[J].Labour Economics,2004(11):33-58.
