Raaum, Oddbjørn, Bernt Bratsberg, Knut Røed, et al. "Marital Sorting, Household Labor Supply, and Intergenerational Earnings Mobility across Countries" The B.E. Journal of Economic Analysis & Policy, 7.2 (2008): -. Retrieved 26 May. 2013, from doi:10.2202/1935-1682.1767

Raaum, O., Bratsberg, B., Røed, K., et al. (2008). Marital Sorting, Household Labor Supply, and Intergenerational Earnings Mobility across Countries. The B.E. Journal of Economic Analysis & Policy, 7(2), pp. -. Retrieved 26 May. 2013, from doi:10.2202/1935-1682.1767

Raaum, Oddbjørn, Bernt Bratsberg, Knut Røed, et al. 2008. Marital Sorting, Household Labor Supply, and Intergenerational Earnings Mobility across Countries. The B.E. Journal of Economic Analysis & Policy. 7(2): -. Retrieved 26 May. 2013, from doi:10.2202/1935-1682.1767