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Fiat Money and the Value of Binding Portfolio Constraints

Author

Listed:
  • Mário R. Páscoa
  • Myrian Petrassi
  • Juan Pablo Torres-Martínez

Abstract

It is well known that, under uniform impatience, positive net supply assets are free of bubbles for non-arbitrage kernel deflators that yield finite present values of wealth. However, this does not mean that prices cannot be above the series of deflated dividends for the deflators given by the agents' marginal rates of substitution, which also yield finite present values of wealth. In particular, binding no-short-sales constraints lead to positive prices of fiat money. These monetary equilibria are Pareto improvements but they are still inefficient.

Suggested Citation

  • Mário R. Páscoa & Myrian Petrassi & Juan Pablo Torres-Martínez, 2008. "Fiat Money and the Value of Binding Portfolio Constraints," Working Papers Series 176, Central Bank of Brazil, Research Department.
    • Handle: RePEc:bcb:wpaper:176
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    Cited by:

    1. Pham, Ngoc Sang & Le Van, Cuong & Bosi, Stefano, 2025. "To Bubble or Not to Bubble: Asset Price Dynamics and Optimality in OLG Economies," MPRA Paper 125605, University Library of Munich, Germany.
    2. Stefano Bosi & Cuong Le Van & Ngoc-Sang Pham, 2025. "To Bubble or Not to Bubble: Asset Price Dynamics and Optimality in OLG Economies," Université Paris1 Panthéon-Sorbonne (Post-Print and Working Papers) hal-05199274, HAL.
    3. Bottazzi, Jean-Marc & Luque, Jaime & Páscoa, Mário R., 2011. "Trading and rational security pricing bubbles," UC3M Working papers. Economics we1119, Universidad Carlos III de Madrid. Departamento de Economía.
    4. Pham, Ngoc-Sang, 2017. "Assets with possibly negative dividends," MPRA Paper 78193, University Library of Munich, Germany.
    5. Bosi, Stefano & Van, Cuong Le & Pham, Ngoc-Sang, 2018. "Intertemporal equilibrium with heterogeneous agents, endogenous dividends and collateral constraints," Journal of Mathematical Economics, Elsevier, vol. 76(C), pages 1-20.
    6. Mário Páscoa & Myrian Petrassi & Juan Torres-Martínez, 2011. "Fiat money and the value of binding portfolio constraints," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 46(2), pages 189-209, February.
    7. Araujo, Aloisio & Páscoa, Mário R. & Torres-Martínez, Juan Pablo, 2011. "Long-lived collateralized assets and bubbles," Journal of Mathematical Economics, Elsevier, vol. 47(3), pages 260-271.
    8. Bosi, Stefano & Le Van, Cuong & Pham, Ngoc-Sang, 2022. "Real indeterminacy and dynamics of asset price bubbles in general equilibrium," Journal of Mathematical Economics, Elsevier, vol. 100(C).
    9. Bidian, Florin, 2015. "Portfolio constraints, differences in beliefs and bubbles," Journal of Mathematical Economics, Elsevier, vol. 61(C), pages 317-326.
    10. Emma Moreno-García & Juan Torres-Martínez, 2012. "Equilibrium existence in infinite horizon economies," Portuguese Economic Journal, Springer;Instituto Superior de Economia e Gestao, vol. 11(2), pages 127-145, August.
    11. repec:hal:wpaper:halshs-02993656 is not listed on IDEAS
    12. Bosi, Stefano & Le Van, Cuong & Pham, Ngoc-Sang, 2017. "Asset bubbles and efficiency in a generalized two-sector model," Mathematical Social Sciences, Elsevier, vol. 88(C), pages 37-48.
    13. Araujo, Aloisio & Gama, Juan Pablo & Novinski, Rodrigo & Pascoa, Mario R., 2019. "Endogenous discounting, wariness, and efficient capital taxation," Journal of Economic Theory, Elsevier, vol. 183(C), pages 520-545.

    More about this item

    JEL classification:

    • C61 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Optimization Techniques; Programming Models; Dynamic Analysis
    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy

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