Access Statistics for Ji Yan

Author contact details at EconPapers.

Working Paper File Downloads Abstract Views
Last month 3 months 12 months Total Last month 3 months 12 months Total
Adolescent Risk Perception, Substance Use, and Educational Attainment 0 0 0 74 4 6 16 205
Does the Minimum Cigarette Purchase Age of 21 Protect Young Mothers from Cigarettes, Help Their Babies? 0 0 0 104 1 1 7 247
Healthy Babies: Does Prenatal Care Really Matter? 0 0 2 52 1 1 8 144
Maternal Pre-pregnancy BMI, Gestational Weight Gain, and Infant Birth Weight: A Within-Family Analysis in the United States 0 0 0 53 1 1 10 191
Prenatal Smoking Cessation and Infant Health: Evidence from Sibling Births 0 0 0 112 3 4 12 229
School Entry Policies, Maternal Education, and Pregnancy Outcomes: New Causal Evidence 0 1 4 4 3 9 28 28
The Earlier and the More, the Healthier? The Effects of Prenatal Care Utilization on Maternal Health and Health Behaviors 0 0 0 57 4 5 15 166
The Impact of Children's Access to Public Health Insurance on Their Cognitive Development and Behavior 0 0 1 25 2 2 14 35
Timing of Prenatal Smoking Cessation or Reduction and Infant Birth Weight: Evidence from the United Kingdom Millennium Cohort Study 0 0 0 68 2 3 10 259
Total Working Papers 0 1 7 549 21 32 120 1,504


Journal Article File Downloads Abstract Views
Last month 3 months 12 months Total Last month 3 months 12 months Total
Adolescent risk perception, substance use, and educational attainment 0 0 0 5 1 2 11 64
Does Marriage Still Make a Difference in Infant Health? 0 0 0 0 4 7 17 17
Healthy Babies 0 0 0 5 1 1 8 35
Is WIC effective in improving pregnancy-related outcomes? An empirical reassessment 0 0 0 2 1 1 8 19
Maternal pre-pregnancy BMI, gestational weight gain, and infant birth weight: A within-family analysis in the United States 0 0 0 12 1 3 9 77
Prenatal Smoking Cessation and Infant Health: Evidence from Sibling Births 0 0 0 14 7 7 12 94
The Effects of Prenatal Care Utilization on Maternal Health and Health Behaviors 0 0 0 10 3 6 14 73
The Effects of a Minimum Cigarette Purchase Age of 21 on Prenatal Smoking and Infant Health 0 0 0 18 0 0 5 65
The impact of children's access to public health insurance on their cognitive development and behavior 0 0 2 2 1 16 31 31
Total Journal Articles 0 0 2 68 19 43 115 475


Statistics updated 2026-05-06