Muffels, Ruud; Wilthagen, Ton and Heuvel, Nick van den (2002): Labour Market Transitions and Employment Regimes: Evidence on the Flexibility-Security Nexus in Transitional Labour Markets. Published in: WZB Discussion Papers : pp. 1-25.
Muffels, Ruud; Fouarge, Didier and Dekker, Ronald (2000): Longitudinal Poverty and Income Inequality A Comparative Panel Study for The Netherlands, Germany and the UK. Unpublished.
Fouarge, Didier and Muffels, Ruud (2000): Persistent poverty in the Netherlands, Germany and the UK. Unpublished.
Muffels, Ruud and Fouarge, Didier (2003): The Role of European Welfare States in Explaining Resources Deprivation. Published in: Social Indicators Research , Vol. 68, : pp. 299-330.
Pavlopoulos, Dimitris; Muffels, Ruud and Vermunt, Jeroen-K. (2005): Wage Mobility in Europe. A Comparative Analysis Using restricted Multinomial Logit Regression. Published in: OSA-Working paper WP2005-24
Muffels, Ruud and Fouarge, Didier (2001): Working Profiles and Employment Regimes in European Panel Perspective. Published in: Schmoller's Jahrbuch , Vol. 122, No. 1 : 85-111.