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Monetary Policy and Stock-Price Dynamics in a DSGE Framework


  • Salvatore Nisticò

    (Università degli Studi di Roma “La Sapienza" and LUISS Guido Carli)


This paper analyzes the role of stock prices in driving Monetary Policy for price stability in a Non-Ricardian DSGE model. It shows that the dynamics of the interest rate consistent with price stability requires a response to stock-price changes that depends on the shock driving them: a supply shock (e.g. productivity) does not require an additional, dedicated response relative to the standard Representative-Agent framework, while a demand shock does. Moreover, we show that implementing the exible-price allocation by means of an interest-rate rule that reacts to deviations of the stock-price level from the exible-price equilibrium incurs risks of endogenous instability that are the higher the less profitable on average equity shares. On the other hand, reacting to the stock-price growth rate is risk-free from the perspective of equilibrium determinacy, and can be beneficial from an overall real stability perspective.

Suggested Citation

  • Salvatore Nisticò, 2012. "Monetary Policy and Stock-Price Dynamics in a DSGE Framework," CSEF Working Papers 307, Centre for Studies in Economics and Finance (CSEF), University of Naples, Italy.
  • Handle: RePEc:sef:csefwp:307

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    Cited by:

    1. Marco Airaudo & Salvatore Nisticò & Luis‐Felipe Zanna, 2015. "Learning, Monetary Policy, and Asset Prices," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 47(7), pages 1273-1307, October.
    2. Jordi Galí, 2016. "Monetary policy and bubbles in a new Keynesian model with overlapping generations," Economics Working Papers 1561, Department of Economics and Business, Universitat Pompeu Fabra, revised Dec 2017.
    3. Airaudo, Marco & Cardani, Roberta & Lansing, Kevin J., 2013. "Monetary policy and asset prices with belief-driven fluctuations," Journal of Economic Dynamics and Control, Elsevier, vol. 37(8), pages 1453-1478.
    4. repec:eee:reveco:v:49:y:2017:i:c:p:223-242 is not listed on IDEAS
    5. Razmi, Fatemeh & Azali, M. & Chin, Lee & Shah Habibullah, Muzafar, 2016. "The role of monetary transmission channels in transmitting oil price shocks to prices in ASEAN-4 countries during pre- and post-global financial crisis," Energy, Elsevier, vol. 101(C), pages 581-591.
    6. Di Giorgio, Giorgio & Nisticò, Salvatore, 2013. "Productivity shocks, stabilization policies and the dynamics of net foreign assets," Journal of Economic Dynamics and Control, Elsevier, vol. 37(1), pages 210-230.
    7. Paetz, Michael & Gupta, Rangan, 2016. "Stock price dynamics and the business cycle in an estimated DSGE model for South Africa," Journal of International Financial Markets, Institutions and Money, Elsevier, vol. 44(C), pages 166-182.
    8. Milani, Fabio, 2017. "Learning about the interdependence between the macroeconomy and the stock market," International Review of Economics & Finance, Elsevier, vol. 49(C), pages 223-242.
    9. Giovanni Melina & Stefania Villa, 2014. "Leaning Against Windy Bank Lending," BCAM Working Papers 1402, Birkbeck Centre for Applied Macroeconomics.
    10. repec:eee:jmacro:v:54:y:2017:i:pb:p:285-305 is not listed on IDEAS
    11. Razmi, Fatemeh & Mohamed, Azali & Chin, Lee & Habibullah, Muzafar Shah, 2015. "The role of monetary policy in macroeconomic volatility of ASEAN-4 countries against oil price shock over time," MPRA Paper 65714, University Library of Munich, Germany.
    12. Fratzscher, Marcel & Straub, Roland, 2010. "Asset Prices, News Shocks and the Current Account," CEPR Discussion Papers 8080, C.E.P.R. Discussion Papers.
    13. Anna Florio, 2013. "The Implied Consumer Euler Rate: What Role for Financial Frictions?," CESifo Economic Studies, CESifo, vol. 59(4), pages 650-675, December.
    14. Araújo, Eurilton, 2013. "Robust monetary policy with the consumption-wealth channel," Journal of Economic Dynamics and Control, Elsevier, vol. 37(1), pages 296-311.
    15. repec:bla:econom:v:84:y:2017:i:336:p:820-831 is not listed on IDEAS
    16. repec:eee:jmacro:v:54:y:2017:i:pb:p:187-207 is not listed on IDEAS
    17. Bilbiie, Florin Ovidiu, 2016. "Optimal Forward Guidance," CEPR Discussion Papers 11251, C.E.P.R. Discussion Papers.
    18. Verona, Fabio & Martins, Manuel M.F. & Drumond, Inês, 2017. "Financial shocks, financial stability, and optimal Taylor rules," Journal of Macroeconomics, Elsevier, vol. 54(PB), pages 187-207.
    19. Giorgio Di Giorgio & Salvatore Nistic�, "undated". "Fiscal Deficits, Current Account Dynamics and Monetary Policy," Working Papers 8, Department of the Treasury, Ministry of the Economy and of Finance.
    20. Challe, Edouard & Giannitsarou, Chryssi, 2014. "Stock prices and monetary policy shocks: A general equilibrium approach," Journal of Economic Dynamics and Control, Elsevier, vol. 40(C), pages 46-66.
    21. Belke, Ansgar & Beckmann, Joscha, 2015. "Monetary policy and stock prices – Cross-country evidence from cointegrated VAR models," Journal of Banking & Finance, Elsevier, vol. 54(C), pages 254-265.
    22. Eurilton Araújo, 2016. "Monetary Policy Credibility and the Comovement between Stock Returns and Inflation," Working Papers Series 449, Central Bank of Brazil, Research Department.
    23. Fatemeh Razmi & Azali Mohamed & Lee Chin & Muzafar Shah Habibullah, 2015. "The Role of Monetary Policy in Macroeconomic Volatility of Association of Southeast Asian Nations-4 Countries against Oil Price Shock over Time," International Journal of Energy Economics and Policy, Econjournals, vol. 5(3), pages 731-737.

    More about this item


    Monetary Policy; DSGE Models; Stock Prices; Wealth Effects.;

    JEL classification:

    • E12 - Macroeconomics and Monetary Economics - - General Aggregative Models - - - Keynes; Keynesian; Post-Keynesian
    • 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

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