Purposive Program Placement and the Estimation of Family Planning Program Effects in Tanzania
定向项目布点与坦桑尼亚计划生育项目效果估计
Most studies evaluating the impact of family planning on fertility treat the presence of family planning clinics as being “randomly” assigned among the areas included in the study. They tend to ignore the possibility that the distribution of services may be related to the fertility level observed in a particular area. In some cases the distribution of services may respond to a conscious effort by public authorities or funding agencies to target areas with observed higher…