New evidence on the timing and spacing of births
基于1941-1945年出生的570名瑞典女性的生育、婚姻和工作史数据，用持续期模型分析生命周期生育决策，为理解生育时机和间隔提供新证据。
This is a progress report on an ongoing empirical study of the determinants of life cycle fertility. main objective of the early stage of [the] work is to codify the facts in a coherent statistical framework that provides the duration data analogue of the conventional simultaneous equations model. After reviewing the relevant literature the authors present an empirical analysis of data on fertility marital status and work histories for 570 Swedish women born between 1941 and 1945. The data are from a survey conducted by the Swedish Central Bureau of Statistics in 1981. (EXCERPT)