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Understanding Investment Incentives Under Parallel Tax Systems: An Application to the Alternative Minimum Tax


  • Andrew B. Lyon


The first section of this paper introduces the topic. The next section shows that many parallel tax systems share common features and constructs a general model of the cost of capital based on the Hall-Jorgenson (1967) cost of capital formula. Section 3 presents conditions under which a parallel tax system maintains investment neutrality. In general, the neutrality conditions are sensitive to the assumed arbitrage conditions and source of finance. Section 4 presents findings on the effect of the corporate ANT on investment incentives. It is shown that these investment incentives are sensitive to the length of time the firm is subject to the ANT, the timing of the Mt spell relative to the date the investment is acquired, and the source of financing. Investment incentives for firms experiencing temporary spells on the ANT can be very different from those for firms permanently subject to the ANT. The final section briefly summarizes the paper

Suggested Citation

  • Andrew B. Lyon, 1989. "Understanding Investment Incentives Under Parallel Tax Systems: An Application to the Alternative Minimum Tax," NBER Working Papers 2912, National Bureau of Economic Research, Inc.
  • Handle: RePEc:nbr:nberwo:2912
    Note: PE

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    References listed on IDEAS

    1. Paul A. Samuelson, 1964. "Tax Deductibility of Economic Depreciation to Insure Invariant Valuations," Journal of Political Economy, University of Chicago Press, vol. 72, pages 604-604.
    2. Lyon, Andrew B, 1990. "Invariant Valuation When Tax Rates Change over Time: Confirmations and Contradictions," Journal of Political Economy, University of Chicago Press, vol. 98(2), pages 433-437, April.
    3. Alan J. Auerbach, 1986. "The Dynamic Effects of Tax Law Asymmetries," Review of Economic Studies, Oxford University Press, vol. 53(2), pages 205-225.
    4. Don Fullerton & Andrew B. Lyon, 1988. "Tax Neutrality and Intangible Capital," NBER Chapters, in: Tax Policy and the Economy: Volume 2, pages 63-88, National Bureau of Economic Research, Inc.
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    Cited by:

    1. Estache, Antonio*van Wijnbergen, Sweder, 1992. "Evaluating the asset based minimum tax on corporations : an option pricing approach," Policy Research Working Paper Series 892, The World Bank.

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