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<p>The purpose of this study is to investigate the responses of sector economic activity of the Japanese stock market to Economic Policy Uncertainty (EPU). To investigate this relationship, we take monthly data covering ten sectors of Japan’s economy and the EPU index spanning from January 2000 to January 2024. For the empirical analysis, we used a recently introduced approach, namely Cross-Quantilogram (CQ), and Quantile-on-Quantile Regression (QQR) for the robustness of the estimation output. Our findings indicate that EPU transmits negative and positive shocks to the Japanese sectors from bearish to bullish market states. Surprisingly, at the bearish state, we find that sector stocks respond negatively to the higher quantiles of EPU under short memory. Moreover, we also observed that EPU transmits a weak positive signal to sectors at medium quantiles. Similarly, we report a less pronounced effect of EPU on different sectors considering different memories (quarterly, bi-annual, and annual). Furthermore, our findings indicate that some sectors could serve as diversifiers in normal market conditions and are considered to be safe-haven against the EPU in bearish periods of economic activity. Our research has profound implications for portfolio managers, policy makers, and investors in terms of ensuring proactive strategies and regulatory measures.</p>

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Sectoral Response to Economic Policy Uncertainty in Japan: An Empirical Evidence from the Cross-Quantilogram Approach

  • 期刊论文

  • 发表日期：

    2025年2月1日

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  • Naveed Khan,
  • Hassan Zada,
  • Ozair Siddiqui,
  • Ehsan Ullah

摘要

The purpose of this study is to investigate the responses of sector economic activity of the Japanese stock market to Economic Policy Uncertainty (EPU). To investigate this relationship, we take monthly data covering ten sectors of Japan’s economy and the EPU index spanning from January 2000 to January 2024. For the empirical analysis, we used a recently introduced approach, namely Cross-Quantilogram (CQ), and Quantile-on-Quantile Regression (QQR) for the robustness of the estimation output. Our findings indicate that EPU transmits negative and positive shocks to the Japanese sectors from bearish to bullish market states. Surprisingly, at the bearish state, we find that sector stocks respond negatively to the higher quantiles of EPU under short memory. Moreover, we also observed that EPU transmits a weak positive signal to sectors at medium quantiles. Similarly, we report a less pronounced effect of EPU on different sectors considering different memories (quarterly, bi-annual, and annual). Furthermore, our findings indicate that some sectors could serve as diversifiers in normal market conditions and are considered to be safe-haven against the EPU in bearish periods of economic activity. Our research has profound implications for portfolio managers, policy makers, and investors in terms of ensuring proactive strategies and regulatory measures.