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Is the Information Technology Revolution Over? Insights on Productivity Growth and IT Impact

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In their 2013 analysis, Byrne, Oliner, and Sichel examine the productivity slowdown, decomposing labor productivity growth into IT and non-IT components from 1995 to 2012. The paper discusses whether this downturn is historically unprecedented, predicts future steady-state growth rates, and reassesses the potential for IT-driven growth, particularly through semiconductor manufacturing advancements. The findings suggest that while innovation continues, effective utilization of increased transistor density remains a challenge, raising critical questions about the future of technological progress.

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Is the Information Technology Revolution Over? Insights on Productivity Growth and IT Impact

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  1. Is the Information Technology Revolution Over? By David M. Byrne, Stephen D. Oliner, and Daniel E. Sichel 2013 ASSA Meetings Discussant: Chad Syverson

  2. Overview Paper’s analysis has three main parts: • Decomposition of LP growth into IT and non-IT components and comparison between 1995-2004 and 2004-2012 • Prediction of steady state LP growth going forward • Re-assessment of potential IT-driven growth in light of evidence from semiconductor manufacturing

  3. 1. LP Decomposition: Is a Productivity (Re-) Slowdown Historically Unprecedented? The prior GPT diffusion event was the electrification (& plumbing) era Medium-run LP trends were not altogether different at that time

  4. 1. LP Decomposition: Is a Productivity (Re-) Slowdown Historically Unprecedented? No.

  5. 1. LP Decomposition: Is a Productivity (Re-) Slowdown Historically Unprecedented? No.

  6. 1. LP Decomposition: Is a Productivity (Re-) Slowdown Historically Unprecedented? No.

  7. 2. Predicted Steady-State Future LP Growth Forecasting is hard Average future growth rates are hugely important But recent patterns have convinced me median growth matters a lot too Forget normative issues—even positive implications will be inescapable if pattern of past 3 decades continues

  8. 2. Predicted Steady-State Future LP Growth

  9. 3. Intel and Semiconductor Innovation: A More Pessimistic View Authors: semiconductor mfg. technology cycle hasn’t slowed • Lithography process generation has held at ~2 years since 1993 • Intel’s CPU cycle has held up similarly However, Pillai (forthcoming): while transistors per unit area have continued to increase, chip designers have not been able to fully harness these improvements NYT, 9/1/09: “The computer industry has a secret. Yes, the number of transistors on modern microprocessors continues to multiply geometrically, but no one really knows how to get the most out of all these new transistors.”

  10. 3. Intel and Semiconductor Innovation: A More Pessimistic View

  11. Wrap-Up Thought-provoking paper: critical issues at hand

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