Behrman, Jere R.; Xiong, Yanyan; Zhang, Junsen - In: Social Science & Medicine 127 (2015) C, pp. 190-197
health and schooling. Recently several studies have used within-monozygotic (MZ) twins methods to control for unobserved … factors shared by identical twins. Within-MZ estimates for developed countries are generally smaller than suggested by cross … health. This study contributes new estimates of cross-sectional associations and within-MZ causal effects using the Chinese …