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 1 2 8 192
Does the Minimum Cigarette Purchase Age of 21 Protect Young Mothers from Cigarettes, Help Their Babies? 0 0 0 104 1 1 2 241
Healthy Babies: Does Prenatal Care Really Matter? 0 0 4 52 1 1 9 141
Maternal Pre-pregnancy BMI, Gestational Weight Gain, and Infant Birth Weight: A Within-Family Analysis in the United States 0 0 0 53 1 3 5 185
Prenatal Smoking Cessation and Infant Health: Evidence from Sibling Births 0 0 0 112 1 3 5 220
School Entry Policies, Maternal Education, and Pregnancy Outcomes: New Causal Evidence 1 3 3 3 2 13 13 13
The Earlier and the More, the Healthier? The Effects of Prenatal Care Utilization on Maternal Health and Health Behaviors 0 0 0 57 0 1 3 154
The Impact of Children's Access to Public Health Insurance on Their Cognitive Development and Behavior 0 0 2 25 1 2 9 25
Timing of Prenatal Smoking Cessation or Reduction and Infant Birth Weight: Evidence from the United Kingdom Millennium Cohort Study 0 0 1 68 1 4 14 255
Total Working Papers 1 3 10 548 9 30 68 1,426


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 2 5 9 60
Does Marriage Still Make a Difference in Infant Health? 0 0 0 0 0 3 5 5
Healthy Babies 0 0 0 5 0 0 2 29
Is WIC effective in improving pregnancy-related outcomes? An empirical reassessment 0 0 1 2 1 3 7 15
Maternal pre-pregnancy BMI, gestational weight gain, and infant birth weight: A within-family analysis in the United States 0 0 0 12 0 1 1 69
Prenatal Smoking Cessation and Infant Health: Evidence from Sibling Births 0 0 0 14 0 0 0 82
The Effects of Prenatal Care Utilization on Maternal Health and Health Behaviors 0 0 0 10 2 2 6 64
The Effects of a Minimum Cigarette Purchase Age of 21 on Prenatal Smoking and Infant Health 0 0 0 18 0 0 1 60
The impact of children's access to public health insurance on their cognitive development and behavior 2 2 2 2 5 6 6 6
Total Journal Articles 2 2 3 68 10 20 37 390


Statistics updated 2025-12-06