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Understanding bubbly episodes

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Abstract

Over the last two decades US aggregate wealth has fluctuated substantially. Against the backdrop of the Great Recession, the effects of these boom-and-bust cycles have come to dominate academic and policy discussions. How can we explain these fluctuations in wealth? Why are these fluctuations associated with changes in consumption, investment and output? In this note, we argue that answers to these questions entail the addition of two ingredients to existent macroeconomic models: rational bubbles and financial frictions. We explain why each of these building blocks is crucial to understand recent events and how they can be seamlessly integrated in standard models.
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Suggested Citation

  • Vasco Carvalho & Alberto Martin & Jaume Ventura, 2012. "Understanding bubbly episodes," Economics Working Papers 1301, Department of Economics and Business, Universitat Pompeu Fabra.
    • Handle: RePEc:upf:upfgen:1301
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    5. Paul A. Samuelson, 1958. "An Exact Consumption-Loan Model of Interest with or without the Social Contrivance of Money," Journal of Political Economy, University of Chicago Press, vol. 66(6), pages 467-467.
    6. Alberto Martin & Jaume Ventura, 2011. "Theoretical Notes on Bubbles and the Current Crisis," IMF Economic Review, Palgrave Macmillan;International Monetary Fund, vol. 59(1), pages 6-40, April.
    7. Tirole, Jean, 1985. "Asset Bubbles and Overlapping Generations," Econometrica, Econometric Society, vol. 53(6), pages 1499-1528, November.
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    Cited by:

    1. Alberto Martin & Jaume Ventura, 2018. "The Macroeconomics of Rational Bubbles: A User's Guide," Annual Review of Economics, Annual Reviews, vol. 10(1), pages 505-539, August.
    2. Ken‐ichi Hashimoto & Ryonghun Im & Takuma Kunieda & Akihisa Shibata, 2022. "Asset bubbles, unemployment, and financial market frictions," Economic Inquiry, Western Economic Association International, vol. 60(4), pages 1806-1832, October.
    3. Takuma Kunieda & Tarishi Matsuoka & Akihisa Shibata, 2017. "Asset Bubbles, Technology Choice, and Financial Crises," Discussion Paper Series 157, School of Economics, Kwansei Gakuin University, revised Feb 2017.
    4. Karl Farmer, 2014. "Financial Integration and EMU’s External Imbalances in a Two-Country OLG Model," International Advances in Economic Research, Springer;International Atlantic Economic Society, vol. 20(1), pages 1-21, February.
    5. Xavier Freixas & David Perez-Reyna, 2017. "The Gilded Bubble Buffer," Documentos CEDE 15789, Universidad de los Andes, Facultad de Economía, CEDE.
    6. repec:grz:wpaper:2013-07 is not listed on IDEAS
    7. Kunieda, Takuma & Shibata, Akihisa, 2016. "Asset bubbles, economic growth, and a self-fulfilling financial crisis," Journal of Monetary Economics, Elsevier, vol. 82(C), pages 70-84.
    8. Karl Farmer, 2013. "EMU Imbalances in a Two-Country Overlapping Generations Model," EcoMod2013 5484, EcoMod.
    9. Robert Gmeiner, 2022. "The Chemistry of the Macroeconomy," Journal of Business Cycle Research, Springer;Centre for International Research on Economic Tendency Surveys (CIRET), vol. 18(3), pages 289-313, November.
    10. Joshua Duarte & João Sousa Andrade & Pedro Bação, 2023. "Dynamic effects of financial development on economic activity," Applied Economics, Taylor & Francis Journals, vol. 55(29), pages 3329-3346, June.
    11. Haldane, Andrew & Shanbhogue, Rachana & Attanasio, Orazio & Besley, Timothy & Lindert, Peter & Piketty, Thomas & Ventura, Jaume, 2015. "Capital in the 21st century," Bank of England Quarterly Bulletin, Bank of England, vol. 55(1), pages 36-46.
    12. Sahar Bashiri & Mosayeb Pahlavani & Reza Boostani, 2017. "Stock Market Bubbles and Business Cycles: A DSGE Model for the Iranian Economy," Iranian Economic Review (IER), Faculty of Economics,University of Tehran.Tehran,Iran, vol. 21(4), pages 969-1002, Autumn.
    13. Tolhurst, Tor N., 2018. "A Model-Free Bubble Detection Method: Application to the World Market for Superstar Wines," 2018 Annual Meeting, August 5-7, Washington, D.C. 274387, Agricultural and Applied Economics Association.
    14. Guerrieri, V. & Uhlig, H., 2016. "Housing and Credit Markets," Handbook of Macroeconomics, in: J. B. Taylor & Harald Uhlig (ed.), Handbook of Macroeconomics, edition 1, volume 2, chapter 0, pages 1427-1496, Elsevier.
    15. Xavier Freixas, 2018. "Credit Growth, Rational Bubbles and Economic Efficiency," Comparative Economic Studies, Palgrave Macmillan;Association for Comparative Economic Studies, vol. 60(1), pages 87-104, March.
    16. Hashimoto, Ken-ichi & Im, Ryonghun & Kunieda, Takuma, 2020. "Asset Bubbles, Unemployment, and a Financial Crisis," Journal of Macroeconomics, Elsevier, vol. 65(C).
    17. Uribe Gil, Jorge Mario, 2013. "Testing for multiple bubbles with daily data," Documentos de Trabajo 11028, Universidad del Valle, CIDSE.

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    More about this item

    Keywords

    bubbles; dynamic inefficiency; economic growth; financial frictions; pyramid schemes;
    All these keywords.

    JEL classification:

    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
    • O40 - Economic Development, Innovation, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - General

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