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Iron status of North American pregnant women: an update on longitudinal data and gaps in knowledge from the United States and Canada
pregnancy anemia hemoglobin ferritin inflammation erythropoietin serum transferrin receptor hepcidin
2018/11/21
Pregnant women are particularly vulnerable to iron deficiency due to the high iron demands of pregnancy. To avoid the adverse birth outcomes that are associated with maternal iron deficiency anemia, b...
Iron status of toddlers, nonpregnant females, and pregnant females in the United States
ferritin soluble transferrin receptor total-body iron iron deficiency toddlers women of reproductive age hemoglobin
2018/11/21
Background: Total-body iron stores (TBI), which are calculated from serum ferritin and soluble transferrin receptor concentrations, can be used to assess the iron status of populations in the United S...
Iron status of North American pregnant women: an update on longitudinal data and gaps in knowledge from the United States and Canada
pregnancy anemia hemoglobin ferritin inflammation erythropoietin serum transferrin receptor hepcidin
2018/11/22
Pregnant women are particularly vulnerable to iron deficiency due to the high iron demands of pregnancy. To avoid the adverse birth outcomes that are associated with maternal iron deficiency anemia, b...
U.S. companies performed 18% of R&D outside the United States in 2013
U.S. companies performed 18% R&D outside United States 2013
2017/4/27
U.S. companies spent $73 billion on research and development (R&D) performed outside the United States in 2013, according to a new report by the National Science Foundation's National Center for Scien...
New Study Exposes the Growing Problem of Patent Aggregators and Aggregators’ Negative Impact on Innovation in the United States
Patent Aggregators Negative Impact on Innovation United States
2016/5/6
The new study, co-authored by Professor Lauren Cohen of Harvard Business School, Professor Umit Gurun of the University of Texas at Dallas, and Dr. Scott Duke Kominers, a Junior Fellow at th...
Low-Skilled Immigration and Parenting Investments of College-Educated Mothers in the United States:Evidence from Time-Use Data
Low-Skilled Immigration Parenting Investments College-Educated Mothers United States Time-Use Data
2016/3/3
This paper uses several decades of U.S. time-diary surveys to assess the impact of low-skilled immigration, through lower prices for commercial childcare, on parental time investments. Using an instru...
Comparing Labor Supply Elasticities in Europe and the United States:New Results
Labor Supply Elasticities Europe United States
2016/3/3
We suggest the first large-scale international comparison of labor supply elasticities for 17 European countries and the United States using a harmonized empirical approach. We find that own-wage elas...
Ironing Out Deficiencies:Evidence from the United States on the Economic Effects of Iron Deficiency
Ironing Out Deficiencies United States Economic Iron Deficiency
2016/3/3
Iron deficiency reduces productive capacity in adults and impairs cognitive development in children. In 1943, the United States government required the fortification of bread with iron to reduce iron ...
The Relative Quality of Foreign-Educated Nurses in the United States
Foreign-Educated Nurses United States
2016/3/3
We examine the relative quality of foreign-educated nurses using wages as a measure of skill. Philippine-educated nurses enjoy a wage premium that is not explained by observed differences in worker or...
Employment Trends by Age in the United States Why Are Older Workers Different?
Age Older Workers Employment Trends
2016/3/2
In the 1960s, 1970s, and 1980s, male employment rates were declining or fl at
at all ages, and female employment rates were rising or fl at at all ages. But
employment trends diverged ...
Effects of Educational Productivity on Career Aspiration Among United States High School Students
Educational Productivity Career Aspiration
2015/9/22
The purpose of this study was to examine the effects of mathematics-related educational productivity on student career aspiration. We developed a structural model describing the relationship between e...
Changes in Workplace Segregation in the United States: Evidence from the 1990 and 2000 Decennial Employer-Employee Datasets
segregation education race ethnicity sex
2015/9/18
We present evidence on changes in workplace segregation by education, race, ethnicity, and sex,
from 1990 to 2000. The evidence indicates that racial and ethnic segregation at the workplace level
re...
Workplace Segregation in the United States: Race, Ethnicity, and Skill
Race Ethnicity Skill
2015/9/18
*This is a substantially revised version of an earlier version of this paper by the same name. This
research was funded by the Russell Sage Foundation and NIH. We are grateful to Megan Brooks, Joel
...
THE EXPERIENCES OF DENYING CONSTITUTIONAL PROTECTION TO SODOMY LAWS IN THE UNITED STATES, AUSTRALIA AND MALAYSIA: YOU'VE COME A LONG WAY BABY AND YOU STILL HAVE A LONG WAY TO GO!
CONSTITUTIONAL PROTECTION STILL HAVE A LONG WAY
2015/8/4
Throughout history, views have been expressed in religious documents attempting to control non-procreative sexual activity. Sodom was a city in biblical times where the residents allegedly performed a...
Comparative advertising has been widely used for over thirty years in the United States. By contrast, the use of this advertising format has traditionally been – and still is – very marginal in France...