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Levels and trends in absolute poverty in the world : what we know and what we don't
Klasen, Stephan, (2009)
$1.90 per day : what does it say?
Reddy, Sanjay, (2015)
Toward better global poverty measures
Ravallion, Martin, (2015)
Regional output differences in international perspective
Aten, Bettina H., (2003)
Aten, Bettina H., (2005)
Chaining methods for international real product and purchasing power comparisons : issues and alternatives
Aten, Bettina H., (2009)