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Inspecting the Poverty-Trap Mechanism - A Quantile Regression Approach

  • Jens J. Krüger


    (Friedrich-Schiller-University Jena)

The issue of poverty traps is assessed using quantile regression. For that an augmentation of the usual convergence regressions by quadratic and cubic terms is used with emphasis on curve fitting rather than parameter estimation. The results show that the generic mechanism leading to poverty traps predominantly applies to countries with relatively low levels of income per capita or per worker that simultaneously have low growth rates around and below the lowest quintile of the growth rate distribution. The validity of the results is supported by a nonparametric variant of quantile regression.

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Paper provided by Friedrich-Schiller-University Jena in its series Jena Economic Research Papers with number 2007-106.

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Date of creation: 20 Dec 2007
Date of revision:
Handle: RePEc:jrp:jrpwrp:2007-106
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  1. Pritchett, Lant, 2000. "Understanding Patterns of Economic Growth: Searching for Hills among Plateaus, Mountains, and Plains," World Bank Economic Review, World Bank Group, vol. 14(2), pages 221-50, May.
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  3. Koenker,Roger, 2005. "Quantile Regression," Cambridge Books, Cambridge University Press, number 9780521845731.
  4. Sala-i-martin, X., 1995. "The Classical Approach to Convergence Analysis," Papers 734, Yale - Economic Growth Center.
  5. Oded Galor, 2004. "From Stagnation to Growth: Unified Growth Theory," GE, Growth, Math methods 0409003, EconWPA.
  6. Liu, Zhenjuan & Stengos, Thanasis, 1999. "Non-linearities in Cross-Country Growth Regressions: A Semiparametric Approach," Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 14(5), pages 527-38, Sept.-Oct.
  7. James G. MacKinnon & Halbert White, 1983. "Some Heteroskedasticity Consistent Covariance Matrix Estimators with Improved Finite Sample Properties," Working Papers 537, Queen's University, Department of Economics.
  8. Fiaschi, Davide & Lavezzi, Andrea Mario, 2003. " Distribution Dynamics and Nonlinear Growth," Journal of Economic Growth, Springer, vol. 8(4), pages 379-401, December.
  9. David N. Weil & Oded Galor, 2000. "Population, Technology, and Growth: From Malthusian Stagnation to the Demographic Transition and Beyond," American Economic Review, American Economic Association, vol. 90(4), pages 806-828, September.
  10. Fiaschi, Davide & Lavezzi, Andrea Mario, 2007. "Nonlinear economic growth: Some theory and cross-country evidence," Journal of Development Economics, Elsevier, vol. 84(1), pages 271-290, September.
  11. Kalaitzidakis, P. & Mamuneas, T.P. & Savvides, A. & Stengos, T., 2000. "Measures of Human Capital and Nonlinearities in Economic Growth," Working Papers 2000-5, University of Guelph, Department of Economics and Finance.
  12. Semmler, Willi & Ofori, Marvin, 2007. "On poverty traps, thresholds and take-offs," Structural Change and Economic Dynamics, Elsevier, vol. 18(1), pages 1-26, March.
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