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Informality and macroeconomic fluctuations: A small open economy New Keynesian DSGE model with dual labour markets

  • SENBETA, Sisay Regassa

How do key macroeconomic variables of a small open economy with segmented labour markets behave in response to domestic and external shocks? In this paper we attempt to address this question by modeling the coexistence of a formal labour market with higher wage rates and search frictions, and an informal labour market with the opposite attributes in the standard multi-sector small open economy New Keynesian DSGE model. The model is calibrated for a typical Sub-Saharan African economy and the behaviour of key macroeconomic variables in response to domestic and external shocks is analysed. The results show that almost all the impulse response functions of our model are consistent with what theory predicts and what other empirical works show about the responses of low income countries to the shocks we consider. However, our results do not seem to corroborate the widely held wisdom that the existence of an informal sector plays a stabilizing role in the event of shocks.

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Paper provided by University of Antwerp, Faculty of Applied Economics in its series Working Papers with number 2013002.

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Length: 57 pages
Date of creation: Feb 2013
Date of revision:
Handle: RePEc:ant:wpaper:2013002
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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  12. SENBETA, Sisay Regassa, 2011. "A small open economy new Keynesian DSGE model for a foreign exchange constrained economy," Working Papers 2011004, University of Antwerp, Faculty of Applied Economics.
  13. Blunch, Niels-Hugo & Canagarajah, Sudharshan & Raju, Dhushyanth, 2001. "The informal sector revisited : a synthesis across space and time," Social Protection Discussion Papers 23308, The World Bank.
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