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Global inequality: levels and trends, 1993 - 2005 : how sensitive are these to the choice of PPPs and real income measures?
Warner, David, (2014)
International income inequality, 2005 - 2011 : what a difference 6 years can make
Ram, Rati, (2015)
Inequality, resource depletion, and welfare accounting . applications to Indonesia and Costa Rica
Torras, Mariano, (1999)
The persistence of the gap between rich and poor countries, 1960 - 1998
Passé-Smith, John T., (2003)
International political economy : state-market relations in the changing global order
Goddard, Chester Roe, (1996)
What a difference a crisis makes : NAFTA, Mexico, and the United States
Morris, Stephen D., (2001)