TY - JOUR A1 - Kohler, H.-P. A1 - Behrman, J.R. A1 - Skytthe, A. T1 - Partner + children = happiness? The effects of partnerships and fertility on well-being Y1 - 2005 DO - 10.1111/j.1728-4457.2005.00078.x VL - 31 IS - 3 ER -