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Investment complementarities, coordination failure, and the role and effects of public investment policy

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  • Kasahara, Tetsuya
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    Abstract

    This paper analyzes the role and effects of public investment policy when coordination problems among agents can result in individually rational but socially inefficient investment decisions. Developing a coordination investment model in which individuals simultaneously and independently determine whether to undertake a risky but potentially more profitable investment project or an alternative with safe but lower returns, we first show that the risk of coordination failure can in equilibrium result in socially inefficient investment and small consumption. We then investigate the role and effects of a public investment policy designed to help mitigate inefficiency. In our model, the size of a feasible public investment policy is determined endogenously. Our numerical results show that the divisibility of investment projects, the presence of financial constraints, the productivity of public investments, and the relative precision of public and private information, as well as the relative tax rates imposed on risky investments and safe investments, have complex effects on the effectiveness of public investment policy and welfare. In particular, we demonstrate that a public investment policy of a larger size and the availability of more precise information do not necessarily increase welfare.

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    File URL: http://hermes-ir.lib.hit-u.ac.jp/rs/bitstream/10086/25758/1/DP589.pdf
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    Bibliographic Info

    Paper provided by Institute of Economic Research, Hitotsubashi University in its series Discussion Paper Series with number 589.

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    Length: 35 p.
    Date of creation: Jun 2013
    Date of revision:
    Handle: RePEc:hit:hituec:589

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    Related research

    Keywords: Strategic complementarities; coordination games; information precision; public investment policy; financial constraints;

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    1. Giancarlo Corsetti & Amil Dasgupta & Stephen Morris & Hyun Song Shin, 2001. "Does one Soros make a difference?: a theory of currency crises with large and small traders," LSE Research Online Documents on Economics 25045, London School of Economics and Political Science, LSE Library.
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    8. Daisuke Oyama, 2004. "Booms And Slumps In A Game Of Sequential Investment With The Changing Fundamentals," The Japanese Economic Review, Japanese Economic Association, vol. 55(3), pages 311-320.
    9. Giancarlo Corsetti & Amil Dasgupta & Stephen Morris & Shin, Hyun, 2000. "Does One Soros Make a Difference? A Theory of Currency Crises with Large and Small Traders," Cowles Foundation Discussion Papers 1273, Cowles Foundation for Research in Economics, Yale University.
    10. Lamont, Owen, 1995. "Corporate-Debt Overhang and Macroeconomic Expectations," American Economic Review, American Economic Association, vol. 85(5), pages 1106-17, December.
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    12. Douglas W. Diamond & Philip H. Dybvig, 2000. "Bank runs, deposit insurance, and liquidity," Quarterly Review, Federal Reserve Bank of Minneapolis, issue Win, pages 14-23.
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