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The Structural Approach of a Natrex Model on Equilibrium Exchange Rates

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  • Carmen Mar? Mart?ez

Abstract

Following a general macroeconomic approach, this paper sets a closed micro-founded structural model to determine the long run real exchange rate of a developed economy. In particular, the analysis follows the structure of a Natrex model. The main contribution of this research paper is the development of a solid theoretical framework that analyse in depth the basis of the real exchange rate and the details of the equilibrium dynamics after any shock influencing the steady state. In our case, the intertemporal factors derived from the stock-flow relationship will be particularly determinant. The main results of the paper can be summarised as follows. In first place, a complete well-integrated structural model for long-run real exchange rate determination is developed from first principles. Moreover, within the concrete dynamics of the model, it is found that some convergence restrictions will be necessary. On one hand, for the medium run convergence the sensitivity of the trade balance to changes in real exchange rate should be higher that the correspondent one to the investment decisions. On the other hand, and regarding long-run convergence, it is also necessary both that there exists a negative relationship between investment and capital stock accumulation and that the global saving of the economy depends positively on net foreign debt accumulation. In addition, there are also interesting conclusions about the effects that certain shocks over the exogenous variables of the model have on real exchange rates.

Suggested Citation

  • Carmen Mar? Mart?ez, 2003. "The Structural Approach of a Natrex Model on Equilibrium Exchange Rates," UFAE and IAE Working Papers 588.03, Unitat de Fonaments de l'Anàlisi Econòmica (UAB) and Institut d'Anàlisi Econòmica (CSIC).
    • Handle: RePEc:aub:autbar:588.03
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    Cited by:

    1. Przystupa, Jan, 2009. "Approaching a problem of the long-run real equilibrium exchange rate of Polish zloty while entering the ERM-2 and Euro zone," MPRA Paper 19549, University Library of Munich, Germany.
    2. Andrea Saayman, 2010. "A Panel Data Approach To The Behavioural Equilibrium Exchange Rate Of The Zar," South African Journal of Economics, Economic Society of South Africa, vol. 78(1), pages 57-75, March.
    3. Hoarau, Jean-François, 2013. "Un modèle NATREX synthétique pour une petite économie « développée » ouverte contrainte sur les marchés internationaux de capitaux," L'Actualité Economique, Société Canadienne de Science Economique, vol. 89(4), pages 259-303, Décembre.
    4. Andrea Saayman, 2007. "The Real Equilibrium South African Rand/US Dollar Exchange Rate: A Comparison of Alternative Measures," International Advances in Economic Research, Springer;International Atlantic Economic Society, vol. 13(2), pages 183-199, May.
    5. repec:kap:iaecre:v:13:y:2007:i:2:p:183-199 is not listed on IDEAS

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    More about this item

    Keywords

    macroeconomic approach; long run real exchange rate; Natrex models; equilibrium dynamics; convergence restrictions; productivity; foreign debt accumulation.;
    All these keywords.

    JEL classification:

    • J31 - Labor and Demographic Economics - - Wages, Compensation, and Labor Costs - - - Wage Level and Structure; Wage Differentials

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