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How misleading is linearization? Evaluating the dynamics of the neoclassical growth model

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  • Atolia, Manoj
  • Chatterjee, Santanu
  • Turnovsky, Stephen J.

Abstract

This paper investigates the reliability of employing linearization to evaluate the dynamic adjustments to changes in productive government spending in a Ramsey growth model. If government expenditure is introduced as a flow and the dynamic adjustment is fast, linearization may yield a reasonably good approximation to the true dynamics, even for fairly large policy shocks. If government expenditure assumes the form of a stock, leading to more sluggish adjustment, linearization may yield misleading predictions. These errors occur at the beginning of the transition and weigh heavily in welfare calculations. The implications for temporary shocks and the speed of convergence are also considered.

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Bibliographic Info

Article provided by Elsevier in its journal Journal of Economic Dynamics and Control.

Volume (Year): 34 (2010)
Issue (Month): 9 (September)
Pages: 1550-1571

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Handle: RePEc:eee:dyncon:v:34:y:2010:i:9:p:1550-1571

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Web page: http://www.elsevier.com/locate/jedc

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Keywords: Public expenditure Growth Nonlinearities Welfare analysis;

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Citations

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Cited by:
  1. Manoj Atolia & Santanu Chatterjee & Stephen J. Turnovsky, 2009. "Growth and Inequality: Dependence of the Time Path of Productivity Increases (and other Structural Changes)," Working Papers wp2009_01_02, Department of Economics, Florida State University.
  2. Dieppe, Alistair & González Pandiella, Alberto & Willman, Alpo, 2011. "The ECB's New Multi-Country Model for the euro area: NMCM - simulated with rational expectations," Working Paper Series 1315, European Central Bank.
  3. Pedro Mazeda Gil & Oscar Afonso & Paulo B. Vasconcelos, 2013. "Industry Dynamics and Aggregate Stability over Transition," FEP Working Papers 484, Universidade do Porto, Faculdade de Economia do Porto.
  4. Mário Amorim Lopes & Fernando A. C. C. Fontes & Dalila A. C. C. Fontes, 2013. "Optimal Control of Infinite-Horizon Growth Models — A direct approach," FEP Working Papers 506, Universidade do Porto, Faculdade de Economia do Porto.
  5. Turnovsky, Stephen J., 2011. "On the role of small models in macrodynamics," Journal of Economic Dynamics and Control, Elsevier, vol. 35(9), pages 1605-1613, September.
  6. O. Carboni & G. Medda, 2010. "A Neoclassical Growth Model with Public Spending," Working Paper CRENoS 201033, Centre for North South Economic Research, University of Cagliari and Sassari, Sardinia.
  7. Groneck, Max, 2008. "A Golden Rule of Public Finance or a Fixed Deficit Regime? Growth and Welfare Effects of Budget Rules," FiFo Discussion Papers - Finanzwissenschaftliche Diskussionsbeiträge 08-7, University of Cologne, FiFo Institute for Public Economics.
  8. Mahbub Morshed, A.K.M. & Turnovsky, Stephen J., 2011. "Real exchange rate dynamics: The role of elastic labor supply," Journal of International Money and Finance, Elsevier, vol. 30(7), pages 1303-1322.

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