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The Foregone Gains of Incomplete Portfolios

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  • Monica Paiella

    () (Bank of Italy, Research Department)

Abstract

This paper estimates a lower bound to the foregone gains of incomplete portfolios, which are in turn a lower bound to the (unobserved) entry costs that could rationalize non-participation to financial markets. My estimates provide a heuristic test for the cost-based explanation of limited financial market participation: high estimates would imply implausibly high participation costs. Using the CEX and assuming isoelastic utility and a relative risk aversion of 3 or less, for the stock market I estimate an average lower bound ranging between 0.7 and 3.3 percent of consumption. Since annual total (observable plus unobservable) participation costs are likely to exceed these bounds, the cost-based explanation is not rejected by this test.

Suggested Citation

  • Monica Paiella, 2006. "The Foregone Gains of Incomplete Portfolios," CSEF Working Papers 156, Centre for Studies in Economics and Finance (CSEF), University of Naples, Italy.
    • Handle: RePEc:sef:csefwp:156
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    References listed on IDEAS

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    Citations

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    Cited by:

    1. Orazio P. Attanasio & Monica Paiella, 2011. "Intertemporal consumption choices, transaction costs and limited participation in financial markets: reconciling data and theory," Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 26(2), pages 322-343, March.
    2. Monica Paiella & Andrea Tiseno, 2004. "Stock market optimism and participation cost: a mean-variance estimation," Econometric Society 2004 Latin American Meetings 239, Econometric Society.
    3. Khorunzhina, Natalia, 2013. "Structural estimation of stock market participation costs," Journal of Economic Dynamics and Control, Elsevier, vol. 37(12), pages 2928-2942.
    4. Guiso, Luigi & Sodini, Paolo, 2013. "Household Finance: An Emerging Field," Handbook of the Economics of Finance, Elsevier.
    5. Ricardo M. Sousa, 2007. "Wealth Shocks and Risk Aversion," NIPE Working Papers 28/2007, NIPE - Universidade do Minho.
    6. Eduardo Corso, 2015. "Ambiguity and portfolio decisions," BCRA Working Paper Series 201567, Central Bank of Argentina, Economic Research Department.
    7. Yannis Bilias & Dimitris Georgarakos & Michael Haliassos, 2010. "Portfolio Inertia and Stock Market Fluctuations," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 42(4), pages 715-742, June.
    8. Pierre‐André Chiappori & Monica Paiella, 2011. "Relative Risk Aversion Is Constant: Evidence From Panel Data," Journal of the European Economic Association, European Economic Association, vol. 9(6), pages 1021-1052, December.
    9. Paya, Ivan & Wang, Peng, 2016. "Wealth fluctuations and investment in risky assets: The UK micro evidence on households asset allocation," Journal of Empirical Finance, Elsevier, vol. 38(PA), pages 221-235.
    10. Xiong, Qizhou, 2015. "Censored Fractional Response Model: Estimating Heterogeneous Relative Risk Aversion of European Households," IWH Discussion Papers 11/2015, Halle Institute for Economic Research (IWH).
    11. Sauro Mocetti, 2012. "Educational choices and the selection process: before and after compulsory schooling," Education Economics, Taylor & Francis Journals, vol. 20(2), pages 189-209, February.
    12. Francisco Gomes & Alexander Michaelides & Valery Polkovnichenko, 2009. "Optimal Savings with Taxable and Tax-Deferred Accounts," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 12(4), pages 718-735, October.
    13. Marco Angrisani & Michael D. Hurd & Erik Meijer, 2012. "Investment Decisions in Retirement: The Role of Subjective Expectations," Working Papers wp274, University of Michigan, Michigan Retirement Research Center.

    More about this item

    Keywords

    intertemporal consumption model; financial market participation; household portfolio allocation; non-proportional cost of participation; near-rationality;

    JEL classification:

    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • D12 - Microeconomics - - Household Behavior - - - Consumer Economics: Empirical Analysis
    • E21 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Consumption; Saving; Wealth

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