The relationship between information technology (IT) and productivity is widely discussed but little understood.Delivered computing power in the U.S. economy has increased by more than two orders of magnitude since 1970 (Figure 1) yet productivity; especially in the B u s i n e s s C o m p u t i n g 1~ble 2. Studies of IT in M a n u f a c t u r i n g 'robl® 3. Studies of IT in Services
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