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Re: st: Poverty variation over time


From   adiallo5@worldbank.org
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Poverty variation over time
Date   Wed, 7 Sep 2005 11:58:50 -0400

Total poverty change = Growth effect + Inequality effect

Not exactely:

Total poverty change = Growth effect + Inequality effect + residual effect



                                                                                                                                               
                      adiallo5@worldbank.org                                                                                                   
                      Sent by:                         To:       statalist@hsphsun2.harvard.edu                                                
                      owner-statalist@hsphsun2.        cc:                                                                                     
                      harvard.edu                      Subject:  Re: st: Poverty variation over time                                           
                                                                                                                                               
                                                                                                                                               
                      09/07/2005 11:54 AM                                                                                                      
                      Please respond to                                                                                                        
                      statalist                                                                                                                
                                                                                                                                               
                                                                                                                                               
                                                                                                                                               




Ousmane,
Use the tools written by Michael Loshkin at the World Bank.
gidecomposition will compute both growth and inequality
effects and will give you residuals.
sedecomposition will do the same for sectoral decomposition.
gicurve and povrobust will help visualise the effects.
Best regards.
Amadou.




                      "Ousmane"

                      <xalebifaye@yahoo.co.uk>         To:
statalist@hsphsun2.harvard.edu
                      Sent by:                         cc:

                      owner-statalist@hsphsun2.        Subject:  st: Poverty
variation over time
                      harvard.edu



                      09/07/2005 11:47 AM

                      Please respond to

                      statalist








Dear all,
I have two household surveys (1995 and 2001) and I want to decompose
poverty change over time. Following Kakwani, the percentage change in
poverty can be written as :
Total poverty change = Growth effect + Inequality effect
I would like to compute the two effects using results from these
surveys (data indicate an increase in mean income of 17 %).
I know how to compute the "growth effect" (cf question from Brian
Sartene and response from De Hoyos).
The diffculty that I am facing is how to compute the "inequality
effect". I would be grateful for any useful and practical insight.
Thanks a lot.



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