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The growing impact of ICT productivity via the cost of capital: Evidence from the U.S. and Japan

Author

Listed:
  • Ho, Mun S.
  • Nomura, Koji
  • Samuels, Jon D.

Abstract

We identify and measure two impacts of industry-level total factor productivity (TFP) growth on aggregate price change in the U.S. and Japan. The first is a standard effect from the definition of aggregate GDP. TFP change lowers aggregate prices ceteris paribus. The second is that a change in TFP in the production of investment goods lowers the cost of capital via lower investment prices. We call this the cost-of-capital effect and formulate an expanded growth accounting framework to capture both effects. We apply it to a harmonized dataset for the two countries and find that the standard effect has fallen since the peak around 2000 due to lower TFP growth and a diminished share of GDP. However, the cost-of-capital effect has risen in importance and offsets part of this decline in the standard effect.

Suggested Citation

  • Ho, Mun S. & Nomura, Koji & Samuels, Jon D., 2023. "The growing impact of ICT productivity via the cost of capital: Evidence from the U.S. and Japan," Telecommunications Policy, Elsevier, vol. 47(9).
    • Handle: RePEc:eee:telpol:v:47:y:2023:i:9:s0308596123001465
    DOI: 10.1016/j.telpol.2023.102635
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    More about this item

    Keywords

    Total factor productivity; Computer industry; User cost of capital; Information and communication technology;
    All these keywords.

    JEL classification:

    • O47 - Economic Development, Innovation, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - Empirical Studies of Economic Growth; Aggregate Productivity; Cross-Country Output Convergence
    • D24 - Microeconomics - - Production and Organizations - - - Production; Cost; Capital; Capital, Total Factor, and Multifactor Productivity; Capacity
    • E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation
    • L63 - Industrial Organization - - Industry Studies: Manufacturing - - - Microelectronics; Computers; Communications Equipment

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