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An empirical test for Okun's law using a smooth time-varying parameter approach: evidence from East Asian countries

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  • Myeong Jun Kim
  • Sung Y. Park
  • Sang Young Jei

Abstract

This article investigates Okun's law for Japan, Korea, Hong Kong and Singapore over the period 1986-2011. Two time-varying parameter models, first-order difference and gap models, are considered to find a negative time-varying relationship between the real output and the unemployment rate. The empirical findings show that there exist time-varying negative relationships between the real output and the unemployment rate for all economies. We also find that the estimated time-varying Okun's coefficients are dominated by changes in the real GDP for Korea. However, the Okun's coefficients are dominated by changes in the unemployment rate for Japan, Hong Kong and Singapore.

Suggested Citation

  • Myeong Jun Kim & Sung Y. Park & Sang Young Jei, 2015. "An empirical test for Okun's law using a smooth time-varying parameter approach: evidence from East Asian countries," Applied Economics Letters, Taylor & Francis Journals, vol. 22(10), pages 788-795, July.
    • Handle: RePEc:taf:apeclt:v:22:y:2015:i:10:p:788-795
    DOI: 10.1080/13504851.2014.978068
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    Cited by:

    1. Kim, Jun & Yoon, Jong Cheol & Jei, Sang Young, 2020. "An empirical analysis of Okun’s laws in ASEAN using time-varying parameter model," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 540(C).
    2. Asma Raies, 2023. "Sustainable Employment in Developing and Emerging Countries: Testing Augmented Okun’s Law in Light of Institutional Quality," Sustainability, MDPI, vol. 15(4), pages 1-13, February.
    3. Myeong Jun Kim & Stanley I. M. Ko & Sung Y. Park, 2021. "On time and frequency-varying Okun’s coefficient: a new approach based on ensemble empirical mode decomposition," Empirical Economics, Springer, vol. 61(3), pages 1151-1188, September.

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