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Time-Varying Impact of Monetary Policy Shocks on U.S. Stock Returns: The Role of Investor Sentiment

Author

Listed:
  • Oguzhan Cepni

    (Central Bank of the Republic of Turkey, Haci Bayram Mah. Istiklal Cad. No:10 06050, Ankara, Turkey)

  • Rangan Gupta

    (Department of Economics, University of Pretoria, Pretoria, 0002, South Africa)

Abstract

This paper investigates how monetary policy shock affects the stock market of the United States (US) conditional on states of investor sentiment. In this regard, we use a recently developed estimator that uses high-frequency surprises as a proxy for the structural monetary policy shocks, which in turn is achieved by integrating the current short-term rate surprises, which are least affected by an information effect, into a vector autoregressive (VAR) model as an exogenous variable. When allowing for time-varying model parameters, we find that, compared to the low investor sentiment regime, the negative reaction of stock returns to contractionary monetary policy shocks is stronger in the state associated with relatively higher investor optimism. Our results are robust to alternative sample period (which excludes the zero lower bound) and model specification and also have important implications for academicians, investors, and policymakers.

Suggested Citation

  • Oguzhan Cepni & Rangan Gupta, 2020. "Time-Varying Impact of Monetary Policy Shocks on U.S. Stock Returns: The Role of Investor Sentiment," Working Papers 202039, University of Pretoria, Department of Economics.
    • Handle: RePEc:pre:wpaper:202039
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    2. André, Christophe & Caraiani, Petre & Gupta, Rangan, 2023. "Fiscal policy and stock markets at the effective lower bound," Finance Research Letters, Elsevier, vol. 58(PC).
    3. van Eyden, Reneé & Gupta, Rangan & Nielsen, Joshua & Bouri, Elie, 2023. "Investor sentiment and multi-scale positive and negative stock market bubbles in a panel of G7 countries," Journal of Behavioral and Experimental Finance, Elsevier, vol. 38(C).
    4. Reneé van Eyden & Rangan Gupta & Xin Sheng & Joshua Nielsen, 2025. "Predicting Multi-Scale Positive and Negative Stock Market Bubbles in a Panel of G7 Countries: The Role of Oil Price Uncertainty," Economies, MDPI, vol. 13(2), pages 1-25, January.
    5. Lee, Chi-Chuan & Lee, Chien-Chiang, 2023. "International spillovers of U.S. monetary uncertainty and equity market volatility to China’s stock markets," Journal of Asian Economics, Elsevier, vol. 84(C).
    6. Demirer, Riza & Gabauer, David & Gupta, Rangan & Nielsen, Joshua, 2024. "Gold, platinum and the predictability of bubbles in global stock markets," Resources Policy, Elsevier, vol. 90(C).
    7. Oguzhan Cepni & Rangan Gupta & Jacobus Nel & Joshua Nielsen, 2025. "Monetary policy shocks and multi-scale positive and negative bubbles in an emerging country: the case of India," Financial Innovation, Springer;Southwestern University of Finance and Economics, vol. 11(1), pages 1-25, December.
    8. Goodness C. Aye & Christina Christou & Rangan Gupta & Christis Hassapis, 2024. "High-Frequency Contagion between Aggregate and Regional Housing Markets of the United States with Financial Assets: Evidence from Multichannel Tests," The Journal of Real Estate Finance and Economics, Springer, vol. 69(2), pages 253-276, August.
    9. Xiao, Jihong & Jiang, Jiajie & Zhang, Yaojie, 2024. "Policy uncertainty, investor sentiment, and good and bad volatilities in the stock market: Evidence from China," Pacific-Basin Finance Journal, Elsevier, vol. 84(C).
    10. Riza Demirer & David Gabauer & Rangan Gupta & Joshua Nielsen, 2023. "Gold-to-Platinum Price Ratio and the Predictability of Bubbles in Financial Markets," Working Papers 202317, University of Pretoria, Department of Economics.
    11. Tihana Škrinjarić, 2022. "Higher Moments Actually Matter: Spillover Approach for Case of CESEE Stock Markets," Mathematics, MDPI, vol. 10(24), pages 1-34, December.
    12. Roudari, Soheil & Mensi, Walid & Kharusi, Sami Al & Ahmadian-Yazdi, Farzaneh, 2023. "Impacts of oil shocks on stock markets in Norway and Japan: Does monetary policy's effectiveness matter?," International Economics, Elsevier, vol. 173(C), pages 343-358.
    13. Caraiani, Petre & Gupta, Rangan & Nel, Jacobus & Nielsen, Joshua, 2023. "Monetary policy and bubbles in G7 economies using a panel VAR approach: Implications for sustainable development," Economic Analysis and Policy, Elsevier, vol. 78(C), pages 133-155.
    14. Thabang NDLOVU & Nozibusiso Mavuso NDLOVU, 2024. "The Dynamic Linkages among Gold Prices, Stock Prices, the Exchange Rate and Interest Rate in South Africa," Journal of Economics and Financial Analysis, Tripal Publishing House, vol. 8(1), pages 35-56.
    15. Shaikh, Imlak & Vallabh, Priyanka, 2022. "Monetary policy uncertainty and gold price in India: Evidence from Reserve Bank of India's Monetary Policy Committee (MPC) review," Resources Policy, Elsevier, vol. 76(C).

    More about this item

    Keywords

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    JEL classification:

    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading

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