Information Technology and Productivity: A Review of the Literature

نویسندگان

  • Erik Brynjolfsson
  • Shinkyu Yang
چکیده

During the 1980s, the relationship between information technology (IT) and productivity became a source of debate: the astonishing improvements in computers’ underlying capabilities proved almost impossible to assess in terms of their effect on productivity. Fueled in part by the emergence of empirical research on IT productivity that generally did not identify significant productivity improvements, the perception that IT failed to live up to its promise prevailed. Recent research is more encouraging, as new data are identified and more sophisticated methodologies are applied. Several researchers document IT’s positive effect on productivity performance. Additionally, others approach IT’s contribution from different perspectives, examining its effect on intermediate measures, on consumer surplus, and on economic growth. Consequently, our presumption of a “productivity paradox” has diminished considerably. However, a careful review indicates that unequivocal evidence still remains elusive, with new questions emerging even as old puzzles fade. This survey categorizes relevant studies into four groups, identifies remaining productivity puzzles, and reviews four possible explanations for them: mismeasurement, lags, redistribution and mismanagement. The paper concludes with recommendations for investigating each of these explanations, including more careful applications of traditional methodologies, as well as employment of alternative, broader metrics of welfare to assess and enhance the benefits of IT.

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عنوان ژورنال:
  • Advances in Computers

دوره 43  شماره 

صفحات  -

تاریخ انتشار 1996