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作者:Clifford, James; Lucas, Henry C., Jr.; Srikanth, Rajan
作者单位:New York University; University of California System; University of California Berkeley
摘要:This paper reports on an effort to integrate symbolic and mathematical models to tailor the output of a mathematical model to the particular domain of a decision maker. AESOP combines the Black-Scholes model of stock options pricing with an expert system; the integrated model is designed for use by an options specialist on the American Stock Exchange. The specialist makes a number of adjustments to the output of the mathematical model; the purpose of the symbolic model is to make as many of th...
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作者:Loh, Lawrence; Venkatraman, N.
作者单位:Massachusetts Institute of Technology (MIT)
摘要:The governance of an organizational information technology (IT) infrastructure is steadily shifting away from pure hierarchical and market mechanisms toward hybrid and partnership modes that involve external vendors. In particular, IT outsourcing has recently emerged as a significant administrative innovation in an organization's IT strategy. This paper seeks to explore the sources of influence in the adoption of this innovation. For this purpose, we generated a comprehensive sample of outsour...
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作者:Weill, Peter
作者单位:University of Melbourne
摘要:Large amounts of resources have been and continue to be invested in information technology (IT). Much of this investment is made on the basis of faith that returns will occur. This study presents the results of an empirical test of the performance effects of IT investment in the manufacturing sector. Six years of historical data on IT investment and performance were collected for 33 valve manufacturing firms from the CEO, the controller and the production manager in each firm. Investment was p...
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作者:Banker, Rajiv D.; Kemerer, Chris F.
作者单位:University of Minnesota System; University of Minnesota Twin Cities; Massachusetts Institute of Technology (MIT)
摘要:The information systems (IS) development activity in large organizations is a source of increasing cost and concern to management. IS development projects are often over-budget, late, costly to maintain, and not done to the satisfaction of the requesting user. These problems exist, in part, due to the organization of the IS development process, where information systems development is typically assigned by the user (principal) to a systems developer (agent). These two parties do not have perfe...