4.022 IZA Discussion Papers
IZA Discussion Paper No. 21
published in: Review of Economics of the Household, 2003, 1 (1-2), 77-110
IZA Discussion Paper No. 6
published in: G. A. Cornia ; R. Paniccià (eds.), The Mortality Crisis in Transitional Economies, Oxford, 2000, 227-252