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Exploring Bubbles in the Digital Economy: The Case of China

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  • Qin, Meng
  • Mirza, Nawazish
  • Su, Chi-Wei
  • Umar, Muhammad

Abstract

This study identifies the cyclical boom-and-bust episodes in digital economy-related assets and determines whether bubbles exist in China's digital economy. The extant literature mainly focuses on tech or cryptocurrency bubbles and has not considered the digital economy. Therefore, we use data from March 22, 2017, to March 3, 2022, and employ the generalized supremum augmented Dickey–Fuller (GSADF) technique to capture the irrational prosperity in China's digital economy. The conclusion suggests the existence of five bubbles in China's digital economy, all accompanied by extreme fluctuations in related asset prices, which the asset-pricing model supports. Under the backdrop of the scientific and technological revolution and industrial transformation, this exploration offers meaningful suggestions for China to facilitate the sound development of the digital economy.

Suggested Citation

  • Qin, Meng & Mirza, Nawazish & Su, Chi-Wei & Umar, Muhammad, 2023. "Exploring Bubbles in the Digital Economy: The Case of China," Global Finance Journal, Elsevier, vol. 57(C).
    • Handle: RePEc:eee:glofin:v:57:y:2023:i:c:s1044028323000662
    DOI: 10.1016/j.gfj.2023.100871
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    More about this item

    Keywords

    Digital economy; China; Asset bubbles; Generalized SADF; Irrational prosperity;
    All these keywords.

    JEL classification:

    • E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation
    • C22 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes
    • O33 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Technological Change: Choices and Consequences; Diffusion Processes

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