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Investment and Uncertainty in a Quadratic Adjustment Cost Model: Evidence from Brazil

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  • Rodrigo Pereira

Abstract

In this paper I assess empirically the sign of the uncertainty-investment relation in Brazil within a quadratic adjustment cost model. It is shown that these variables are negatively related in the Brazilian economy. The implication is that investment can be enlarged with the adoption of a sustainable macroeconomic policy that rules out uncertainty-yielding shocks, like huge devaluation in domestic currency, or defaults in internal and external debts. I also propose a method for estimating the quadratic adjustment cost model when the endogenous variable is I(2) and the forcing variables are I(1). As long as capital stock is typically an I(2) variable, the econometric insight seems particularly suited for models of investment. Neste artigo é avaliado empiricamente o sinal da relação entre investimento e incerteza no Brasil, utilizando-se do arcabouço dos modelos com custo de ajustamento quadrático. Mostra-se que essas variáveis são negativamente relacionadas na economia brasileira. A implicação é que o nível de investimento pode ser aumentado com a adoção de uma política macroeconômica sustentável capaz de evitar choques que geram incerteza, como grandes desvalorizações no câmbio ou moratórias nas dívidas interna e externa. Propõe-se ainda um método para estimar o modelo com custo de ajustamento quadrático quando a variável endógena é I(2) e as variáveis exógenas são I(1). Dado que o estoque de capital é tipicamente uma variável I(2), o procedimento econométrico parece particularmente apropriado para modelos de investimento.

Suggested Citation

  • Rodrigo Pereira, 2015. "Investment and Uncertainty in a Quadratic Adjustment Cost Model: Evidence from Brazil," Discussion Papers 0085, Instituto de Pesquisa Econômica Aplicada - IPEA.
  • Handle: RePEc:ipe:ipetds:0085
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    References listed on IDEAS

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    1. Hansen, Lars Peter & Sargent, Thomas J., 1982. "Instrumental variables procedures for estimating linear rational expectations models," Journal of Monetary Economics, Elsevier, vol. 9(3), pages 263-296.
    2. Peter C. B. Phillips & Mico Loretan, 1991. "Estimating Long-run Economic Equilibria," Review of Economic Studies, Oxford University Press, vol. 58(3), pages 407-436.
    3. Caballero, Ricardo J, 1991. "On the Sign of the Investment-Uncertainty Relationship," American Economic Review, American Economic Association, vol. 81(1), pages 279-288, March.
    4. Pindyck, Robert S, 1988. "Irreversible Investment, Capacity Choice, and the Value of the Firm," American Economic Review, American Economic Association, vol. 78(5), pages 969-985, December.
    5. Dolado, Juan & Galbraith, John W & Banerjee, Anindya, 1991. "Estimating Intertemporal Quadratic Adjustment Cost Models with Integrated Series," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 32(4), pages 919-936, November.
    6. Kennan, John, 1979. "The Estimation of Partial Adjustment Models with Rational Expectations," Econometrica, Econometric Society, vol. 47(6), pages 1441-1455, November.
    7. Bollerslev, Tim, 1986. "Generalized autoregressive conditional heteroskedasticity," Journal of Econometrics, Elsevier, vol. 31(3), pages 307-327, April.
    8. Gregogy, A.W. & Pagan, A.R. & Smith, G.W., 1990. "Estimating Linear Quadratic Models With Integrated Processes," RCER Working Papers 247, University of Rochester - Center for Economic Research (RCER).
    9. Sargent, Thomas J, 1978. "Estimation of Dynamic Labor Demand Schedules under Rational Expectations," Journal of Political Economy, University of Chicago Press, vol. 86(6), pages 1009-1044, December.
    10. Johansen, Soren, 1988. "Statistical analysis of cointegration vectors," Journal of Economic Dynamics and Control, Elsevier, vol. 12(2-3), pages 231-254.
    11. Abel, Andrew B, 1983. "Optimal Investment under Uncertainty," American Economic Review, American Economic Association, vol. 73(1), pages 228-233, March.
    12. Robert E. Lucas & Jr., 1967. "Adjustment Costs and the Theory of Supply," Journal of Political Economy, University of Chicago Press, vol. 75, pages 321-321.
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