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The working poor : wage earners and the failure of income security policies
Ross, David P., (1980)
Poverty and the impact of income maintenance programmes in four developed countries : case studies of Australia, Belgium, Norway and Great Britain
Beckerman, Wilfred, (1979)
Updating poverty standards and program benefits
Leveson, Irving, (1978)
Leistungen und Grenzen politisch-ökonomischer Theorie : eine kritische Bestandsaufnahme zu Mancur Olson
Schubert, Klaus, (1992)
Theories of collective action : Downs, Olson and Hirsch
Reisman, David, (1990)
Groepsvorming bij rationeel gedrag : de non-participatie theorie van Nancur Olson ; kritiek en aanvulling
Vermaat, Arend Jan, (1986)