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Modelling poverty transitions in Spain: Do attrition and initial conditions really matter?

Author

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  • Ayllón, Sara

    (Department of Applied Economics, Universitat Autònoma de Barcelona)

Abstract

The availability of panel data has allowed a comprehensive description of poverty exits and entries in Spain. However, most of the literature, so far, has ignored or not explicitly modelled the process of sample attrition and/or the initial conditions problem we face when studying poverty dynamics with survey data. The main objective of this work is to assess whether attrition and poverty status in the base year are endogenous processes to poverty transitions through unobserved heterogeneity. Our estimation follows the model recently proposed by Cappellari and Jenkins (2004a) and uses Maximum Likelihood Simulation techniques. Data is from the European Community Household Panel and refers to poverty transitions that take place between 1994 and 2000 in Spain. Results show that unobservables affecting initial conditions and sample retention are exogenous to those related with poverty transience. Yet, results prove to be sensitive to the choice of the poverty line.

Suggested Citation

  • Ayllón, Sara, 2008. "Modelling poverty transitions in Spain: Do attrition and initial conditions really matter?," IRISS Working Paper Series 2008-08, IRISS at CEPS/INSTEAD.
  • Handle: RePEc:irs:iriswp:2008-08
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    Cited by:

    1. REINSTADLER Anne & RAY Jean-Claude, 2010. "Macro Determinants of Individual Income Poverty in 93 Regions of Europe," LISER Working Paper Series 2010-13, LISER.
    2. Olga Cantó & Carlos Gradín & Coral Del Río, 2012. "Pobreza Crónica, Transitoria Y Recurrente En España," Revista de Economia Aplicada, Universidad de Zaragoza, Departamento de Estructura Economica y Economia Publica, vol. 20(1), pages 69-94, Spring.
    3. Sohn, Christophe & Reitel, Bernard & Walther, Olivier, 2009. "Cross-border metropolitan integration in Europe (Luxembourg, Basel and Geneva)," IRISS Working Paper Series 2009-02, IRISS at CEPS/INSTEAD.

    More about this item

    Keywords

    poverty transitions ; trivariate probit ; attrition ; initial conditions;

    JEL classification:

    • I32 - Health, Education, and Welfare - - Welfare, Well-Being, and Poverty - - - Measurement and Analysis of Poverty
    • D31 - Microeconomics - - Distribution - - - Personal Income and Wealth Distribution

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