Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/27450
Authors: 
Gräb, Johannes
Grimm, Michael
Year of Publication: 
2007
Series/Report no.: 
Discussion papers // Ibero America Institute for Economic Research 160
Abstract: 
We propose a new methodology for comparing poverty over multiple periods across time and space that does not arbitrarily aggregate income over various years or rely on arbitrarily specified poverty lines or poverty indices. Following Duclos et al. (2006a), we use the multivariate stochastic dominance methodology to create dominance surfaces for different time spans. We elaborate the method first for the bidimensional case, using as dimensions income observed over two periods: one at the beginning and one at the end of a time span. Subsequently, we extend it to the case where incomes are observed over n-periods. We illustrate our approach by performing poverty comparisons using data for Indonesia and Peru.
Document Type: 
Working Paper

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