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A small open economy new Keynesian DSGE model for a foreign exchange constrained economy

  • SENBETA, Sisay Regassa

Firms in many low income countries depend entirely on imported capital and intermediate inputs. As a result, in these countries economic activity is considerably influenced by the capacity of the economy to import these inputs which, in turn, depends on the availability and cost of foreign exchange. In this study we introduce foreign exchange availability as an additional constraint faced by firms into an otherwise standard small open economy New Keynesian DSGE model. The model is then calibrated for a typical Sub Saharan African economy and the behaviour of the model in response to both domestic and external shocks is compared with the standard model. The impulse response functions of the two models are the same qualitatively for most of the variables though the model with foreign exchange constraint generates more variability in most of the variables than the standard model. This behaviour of the model with foreign exchange constraint is consistent with the stylized facts of low income countries. Furthermore, for variables for which the two models have different impulse response functions, the model with foreing exchange constraint is both theoretically consistent and matches the stylized facts.

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Paper provided by University of Antwerp, Faculty of Applied Economics in its series Working Papers with number 2011004.

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Length: 48 pages
Date of creation: May 2011
Date of revision:
Handle: RePEc:ant:wpaper:2011004
Contact details of provider: Postal: Prinsstraat 13, B-2000 Antwerpen
Web page: https://www.uantwerp.be/en/faculties/applied-economic-sciences/

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  1. Christopher Adam & Stephen O'Connell & Edward Buffie, 2008. "Aid volatility, monetary policy rules and the capital account in African economies," WEF Working Papers 0037, ESRC World Economy and Finance Research Programme, Birkbeck, University of London.
  2. Arne Bigsten & Paul Collier & Stefan Dercon & Marcel Fafchamps & Bernard Gauthier & Jan Willem Gunning & Måns Söderbom & Abena Oduro & Remco Oostendorp & Cathy Pattillo & Francis Teal & Albert Zeufack, 2000. "Credit constraints in manufacturing enterprises in Africa," CSAE Working Paper Series 2000-24, Centre for the Study of African Economies, University of Oxford.
  3. Paul Collier & Jan Willem Gunning, 1998. "Explaining African economic performance," Economics Series Working Papers WPS/1997-02.2, University of Oxford, Department of Economics.
  4. Eicher, Theo S. & Schubert, Stefan F. & Turnovsky, Stephen J., 2008. "Dynamic effects of terms of trade shocks: The impact on debt and growth," Journal of International Money and Finance, Elsevier, vol. 27(6), pages 876-896, October.
  5. Schmitt-Grohé, Stephanie & Uribe, Martín, 2002. "Closing Small Open Economy Models," CEPR Discussion Papers 3096, C.E.P.R. Discussion Papers.
  6. Adam, Christopher S. & Buffie, Edward & O'Connell, Stephen & Pattillo, Catherine, 2008. "Monetary Policy Rules for Managing Aid Surges in Africa," Working Paper Series RP2008/77, World Institute for Development Economic Research (UNU-WIDER).
  7. Bulír, Ales & Hamann, A. Javier, 2008. "Volatility of Development Aid: From the Frying Pan into the Fire?," World Development, Elsevier, vol. 36(10), pages 2048-2066, October.
  8. repec:cup:cbooks:9780521127752 is not listed on IDEAS
  9. Troy Matheson, 2006. "Assessing the fit of small open economy DSGEs," Reserve Bank of New Zealand Discussion Paper Series DP2006/11, Reserve Bank of New Zealand.
  10. Santacreu, Ana Maria, 2005. "Reaction functions in a small open economy: What role for non-traded inflation?," Working Papers 2014-44, Federal Reserve Bank of St. Louis.
  11. Lensink, Robert, 1995. "Foreign exchange constraints and developing countries," Economic Modelling, Elsevier, vol. 12(2), pages 179-191, April.
  12. Ale Bulir & A. Javier Hamann, 2003. "Aid Volatility: An Empirical Assessment," IMF Staff Papers, Palgrave Macmillan, vol. 50(1), pages 4.
  13. Stiglitz, Joseph & Ocampo, Jose Antonio & Spiegel, Shari & Ffrench-Davis, Ricardo & Nayyar, Deepak, 2006. "Stability with Growth: Macroeconomics, Liberalization and Development," OUP Catalogue, Oxford University Press, number 9780199288144, March.
  14. Cashin, Paul & McDermott, C. John & Pattillo, Catherine, 2004. "Terms of trade shocks in Africa: are they short-lived or long-lived?," Journal of Development Economics, Elsevier, vol. 73(2), pages 727-744, April.
  15. Polterovich, Victor & Popov, Vladimir, 2003. "Accumulation of Foreign Exchange Reserves and Long Term Growth," MPRA Paper 20069, University Library of Munich, Germany.
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