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The issue of substitutability between various modes of import protection has been studied by economists in various ways. Since President Donald Trump came into office and soon started imposing tariffs, the need by US firms to file antidumping (AD) cases would seem to have been reduced. This study aims to examine whether such a reduction in AD cases has occurred.

Quarterly US AD filings via a negative binomial regression analysis are explained. Patterns based on data from 1995 through 2016 are obtained first and then predict US AD petitions for 2017 and 2018.

The authors reject a hypothesis of substitution away from AD in the Trump era of general protectionism but do find some support for the notion that protection moves downstream, with greater than predicted AD filings in downstream metals sectors.

This is the first study to examine the possibility of trade policy substitutability in the Trump era.

The supply side of the labor market has too often been neglected in considering the effects of minimum wage legislation. Minimum wage effects on unemployment have been studied extensively, and the unemployment rate has been related in turn to the labor force participation rate. But the relationship between minimum wages and labor force participation has been almost completely ignored in the published literature.

The job search theory, as developed since the early 1960s, is primarily a theory predicting the behaviour of unemployed job‐seekers responding to the costs of acquiring information about the wage possibilities available to them. However, implications can be derived for the influence on the individual's labour force participation (LFP) decision of the factors used in search theory, and these implications have never been tested. This paper will present a number of hypotheses regarding LFP and then test these hypotheses against a broad and diverse cross‐section sample of male heads of households, using ordinary least squares regression analysis. The results generally confirm the hypotheses and the view that the variables of the job search theory have a significant influence on the LFP decision.

Barbara M. Altman, a Sociologist with a Ph.D. from the University of Maryland, is currently a Special Assistant on Disability Statistics at the National Center for Health Statistics and an Adjunct Associate Professor at the University of Maryland, College Park. Her previous position was Senior Research Fellow with the Agency for Healthcare Research and Quality. She is a past president of the Society for Disability Studies and served on the founding Board of Directors of that organization. Her disability research interests focus in three areas: operationalization of disability definitions/measures in survey data; access to, financing and utilization of health care services by persons with disabilities, particularly working age persons and women with disabilities; and disability among minority groups. She is the author of a number of articles and book chapters on disability topics, and has served as editor of special issues of Disability Studies Quarterly and Journal of Disability Policy Studies. She is co-editor of this series Research in Social Science and Disability.Deborah J. Anderson, Ph.D., has conducted policy research in the area of Aging and Developmental Disabilities at the University of Minnesota since 1985. Her studies have included analyses of the health status, health conditions and health-related limitations and needs of older adults with mental retardation living in a variety of residential settings as well as in their own homes. These studies have included a longitudinal study of a 10% sample of older adults living in residential facilities licensed by developmental disabilities agencies, the National Nursing Home Survey of 1985, the National Medical Expenditure Survey of 1987, and the National Health Interview Disability Supplement (NHIS-D) of 1994–1995. She has also studied careproviders of older adults with mental retardation, innovative programs serving aging adults with developmental disabilities/mental retardation, and state agencies’ preparation for serving adults with mental retardation as they aged. Most of this research has been conducted as part of the NIDRR-funded RRTC on Aging and Developmental Disabilities. Dr. Anderson is also an Associate Professor in the Department of Psychology at St. Olaf College in Northfield, MN.Lynda L. Anderson, M.A., M.P.H., is a Resource Manager at No Place like Home in Robbinsdale, Minnesota. Ms. Anderson earned a Master of Arts degree in Human Service Administration and a Master of Public Health degree in Community Health. Ms. Anderson is a doctoral candidate in Work, Community and Family Education at the University of Minnesota. She has more than eighteen years of experience working with people with disabilities as a Direct Support Professional, Program Director, and Researcher. She has participated in NHIS-D analysis activities for the last five years.Sharon N. Barnartt, Ph.D., is Professor of Sociology at Gallaudet University. She has co-authored two books: Deaf President Now: The 1988 Revolution at Gallaudet University (1995) and Contentious Politics in the Disability and Deaf Communities (2001). She has also presented papers and published widely in the areas of socio-economic status and disability/deafness, legal and disability policy issues, and social movements in the deaf and disability communities. She is a former president of the Society for Disability Studies, co-editor of Research in Social Science and Disability and on the editorial board of Journal of Disability Policy Studies.Phillip W. Beatty, M.A., is a Senior Research Associate at the National Rehabilitation Hospital Center for Health & Disability Research in Washington, DC. His recent research focuses on predictors of access to health services among adults with disabilities. Mr. Beatty is also conducting research to determine the ways in which functional outcomes information is being used by stakeholders in the medical rehabilitation industry.Edward Brann, M.D., M.P.H., is Acting Director of the Division of Human Development and Disability, National Center on Birth Defects and Developmental Disabilities, Centers for Disease Control and Prevention. The division conducts a number of research and program activities for people with disabilities.Hong Chen, M.S., is an Economist in RTI International’s Division of Health Economics Research. His work focuses primarily on the analysis of large claims and survey databases, with an emphasis on diabetes prevention, substance abuse, and competitive bidding for durable medical equipment.Lisa J. Colpe, Ph.D., M.P.H., is a Clinical Epidemiologist Specializing in Survey Design and Research. At the time the work on this chapter was done, she was an Epidemiology Training Program Fellow in the Division of Health Interview Statistics, National Center for Health Statistics.Roger B. Davis, Sc.D., is Associate Professor of Medicine at Harvard Medical School and Associate Professor of Biostatistics at the Harvard School of Public Health. Dr. Davis has overseen the statistical design of numerous clinical trials, especially involving cancer and AIDS therapies. An expert in survival analysis, he also participates in health services research and clinical epidemiology studies with colleagues at Beth Israel Deaconess Medical Center, where he serves as Biostatistician in the Division of General Medicine and Primary Care.John Drabek, is an Economist in Office of Disability, Aging, and Long-Term Care Policy in the U.S. Department of Health and Human Services. He received his B.A. in Economics from Northwestern University, and his Ph.D. in Economics from the University of California, Santa Barbara. Prior to joining the federal government, he performed research at the University of Southern California, and at the University of California, Los Angeles.Laura J. Dunlap, M.A., is a Health Economist in RTI International’s Center for Interdisciplinary Substance Abuse Research. Since joining RTI in 1994, she has worked on studies analyzing the costs and benefits of substance abuse treatment, the effect of treatment services on post-treatment outcomes, and the costs and cost-effectiveness of public health and treatment interventions aimed at special populations such as drug users and low-income women.Holly J. Fedeyko is a former employee of the Disability and Health Branch, CDC in Atlanta, Georgia. While at the CDC she focused her efforts on Research in disability issues as related to questions from the National Health Interview Survey. She received her M.P.H. in Epidemiology and Environmental Health from Emory and her B.S. in Biology from McGill. She is currently employed as an analytical consultant for a private company and now resides in the San Francisco Bay area.Frances K. Goldscheider, University Professor and Professor of Sociology, began her Brown career in 1974. Since obtaining her Ph.D. in Demography from the University of Pennsylvania in 1971, Goldscheider has focused her research on census and survey data to address questions related to family structure and coresidential relationships, examining causes and consequences of change. Goldscheider pioneered research on the single-person household, and on home leaving and return to the nest of young adults, and has examined issues of labor force and family decisions of 20th century American women. She is an expert on family structure and relationships, fertility, parenthood, household economy, and marriage. Her intergenerational focus (on the living arrangements of young adults and the elderly) has expanded to include gender issues, particularly marriage and divorce, with a strong concern with the consequences of family structure for investments in childhood and young adulthood. Recent research interests include men’s roles in parenting and in the family.Scott D. Grosse, Ph.D., is a Health Economist at the National Center for Birth Defects and Developmental Disabilities, Centers for Disease Control and Prevention. He conducts applied research on the costs associated with various childhood conditions and economic evaluations of screening programs and interventions intended to improve health and developmental outcomes in children.Gerry E. Hendershot, Ph.D., is a Consultant on Disability and Health Statistics. From 1985 to 2001, he held various positions on the staff of the National Health Interview Survey, including Assistant to the Director for Data Analysis and Dissemination. He had a lead role in promoting, designing, and analyzing the National Health Interview Survey on Disability. He is the author of many published statistical reports on disability and other health-related topics.Dennis P. Hogan, Professor of Sociology, joined the Population Studies and Training Center at Brown University in 1995. He received a Ph.D. in Sociology from the University of Wisconsin-Madison in 1976. He has taught at both the University of Chicago, where he acted as associate director of the Population Research Center, and Pennsylvania State University, where he served as director of the Population Research Institute. In 1997, Hogan was named to an endowed professorship as the Robert E. Turner Distinguished Professor of Population Studies. Some of his research interests include the interrelationships of the family lives of individuals and their social environments, the measurement of disability, family consequences of disability, and the transition to adulthood. Hogan’s current research focuses on child disability. He is the principal investigator on grants supporting this program from the National Institute for Child Health and Human Development, the National Center for Medical Rehabilitation Research, the Assistant Secretary for Planning and Evaluation, the Federal Interagency Forum on Child and Family Statistics Subcommittee on Disability and the Spencer Foundation.Ghada al Homsi, M.S., is an Economist in RTI International’s Center for Interdisciplinary Substance Abuse Research. Her work focuses on the analysis of large surveys and the design and maintenance of databases of program costs.Amanda A. Honeycutt, Ph.D., is an Economist in RTI International’s Division of Health Economics Research. Since joining RTI in 1998, she has led a number of studies on the cost-of-illness, the cost of intervention programs, and the cost-effectiveness of prevention and treatment interventions that focus primarily on diabetes, HIV/AIDS prevention, and children’s health, disability, and development.Peter C. Hunt, M.P.H., was an Association of Schools of Public Health Fellow in the Division of Health Interview Statistics, National Center for Health Statistics, at the time work on this chapter was done. He subsequently served as a Special Assistant to the Director of the National Institute of Disability and Rehabilitation Research. He is currently a Research Associate at the University of Pittsburgh Model Center on Spinal Cord Injury.Lisa I. Iezzoni, M.D., M.Sc., is Professor of Medicine at Harvard Medical School and Co-Director of Research in the Division of General Medicine and Primary Care, Department of Medicine, at Beth Israel Deaconess Medical Center in Boston. Her primary research interest is risk adjustment for assessing health care quality and improving the fairness of payments. A 1996 recipient of The Robert Wood Johnson Foundation Investigator Award in Health Policy Research, she also studies health policy issues relating to mobility impairments. Dr. Iezzoni is a member of the Institute of Medicine.Gwyn C. Jones, Ph.D., M.S.W., M.Ed., is a Senior Research Associate at the National Rehabilitation Hospital Center for Health & Disability Research in Washington, DC. She is a former ATPM/CDC Fellow and current grantee. Her research and publications have focused on health risks, chronic conditions, and use of preventive services among working-age adults with disabilities, prescription drug use among non-elderly adults with disabilities, and rural Medicaid managed care for adults with disabilities.Judith D. Kasper, Ph.D., is a Professor in the Department of Health Policy and Management, and a Senior Research Associate in the Center for Health Services Research, at The Johns Hopkins Bloomberg School of Public Health. Her research interests include health policy in long-term care, aging and disability, access to health care for vulnerable populations, and the development and application of data sources for health policy and health services research. Dr. Kasper holds a Ph.D. in sociology from the University of Chicago.K. Charlie Lakin, Ph.D., is the Director of the Research and Training Center on Community Living at the University of Minnesota. Mr. Lakin has had extensive experience in gathering, analyzing, and using statistics from many primary and secondary data sources with the products of this work included in more than 200 publications in developmental disabilities and related services. Mr. Lakin was a member of the six-person external technical advisory panel on the instrumentation for the Disability Supplement. Mr. Lakin serves as Associate Editor of Mental Retardation, and consulting editor of The Journal of the Association for Persons with Severe Handicaps (JASH), the Journal on Intellectual and Developmental Disability and Social Science and Disability.Sheryl A. Larson, Ph.D., is a Research Associate at the Research and Training Center on Community Living at the University of Minnesota. She earned her Ph.D. in Educational Psychology from the University of Minnesota. She has 20 years of experience in services to persons with DD as a residential counselor, behavior analyst, social worker, and program evaluator and has worked for the RTC for the last 14 years. Ms. Larson was the Co-Principal Investigator for a two-year NIDRR Field Initiated Project which used the National Health Interview Survey Disability Supplement to examine the characteristics and service needs of persons with intellectual or developmental disabilities. She directed a supplement to the Research and Training Center on Community Living’s core grant that funded an international user’s conference in June 2000 for researchers analyzing NHIS-D topics. She has co-authored several papers using NHIS-D data. Dr. Larson has also co-authored several books, book chapters, journal articles and technical reports on workforce development issues, residential services, and community integration for persons with developmental disabilities and is a consulting editor of Mental Retardation.Donald J. Lollar, Ed.D., Senior Research Scientist, Division for Human Development and Disability, National Center on Birth Defects and Developmental Disabilities at the Centers for Disease Control and Prevention in Atlanta. His advanced degrees are from Indiana University, and his most recent writings include co-editing an Archives of Physical Medicine and Rehabilitation supplement on the Science of Disability Outcomes, and articles for the 2003 Annual Review of Public Health and 2002 Public Health Reports outlining public health strategies to improve the health and well-being of people with disabilities. He has spent the past seven years developing public health science and programs to improve the health of people with disabilities, prevent secondary conditions, and increase participation in society. He currently serves as the co-lead of the Healthy People 2010 workgroup on Disability and Secondary Conditions (Chap. 6 of HP 2010). Dr. Lollar began involvement with the WHO classification ICIDH in 1994 while still in private practice, assessing potential utility of ICIDH-2 for clinical records. He is currently a part of the team to adapt the ICF to improve its utility for children and youth.Pamela Loprest is a Labor Economist and Senior Research Associate at the Urban Institute. Her research focuses on low-wage labor markets and how government policies can help to reduce and remove barriers to work among disadvantaged populations. Dr. Loprest has a Ph.D. in Economics from the Massachusetts Institute of Technology and has been at the Urban Institute since 1991.Elaine Maag is a Research Associate in the Urban Institute’s Income and Benefits Policy Center. Her research focuses on policies affecting youth with disabilities and employment opportunities for adults. She also conducts research on how tax policy affects low-income families. Ms. Maag holds an M.S. in Public Policy from the University of Rochester.Jennifer M. Park is a Post-Doctoral Fellow at the Harvard Graduate School of Education. Her current research is funded by a grant she holds from the American Education Research Association to examine cognitive development among first grade youth with and without emotional impairment. Her dissertation explored cognitive growth among kindergarteners with and without perceptual impairment. Dr. Park holds a Ph.D. in Sociology from Brown University, where her research examined the diverse effects of child disability on family outcomes.Elizabeth K. Rasch, M.S., P.T., is an Associate Service Fellow at the National Center for Health Statistics, CDC, working in the area of disability statistics. She is a Ph.D. candidate at the University of Maryland, Department of Physical Therapy and Rehabilitation Science, with a concentration in Epidemiology. Her research interests include the health of persons with disabilities, factors that contribute to disability, as well as the use of and access to healthcare services by persons with disabilities. She has been actively involved in research since 1985 and has published articles and book chapters on topics related to disability and rehabilitation.Anne W. Riley, is an Associate Professor in the Department of Health Policy and Management, in the division of Health Services Research, at the Johns Hopkins Bloomberg School of Public Health. Dr. Riley has expertise in the assessment of mental health and health, especially of children and adolescents, methods development, and evaluation systems for monitoring the outcomes of care for youth.Diana E. Schendel, Ph.D., is a Lead Health Scientist at the National Center on Birth Defects and Developmental Disabilities, Centers for Disease Control and Prevention. She directs both intramural and extramural epidemiologic studies of reproductive and developmental outcomes, with a primary focus on cerebral palsy, autism, and other neurodevelopmental problems.Hilary Siebens, M.D., is Lecturer in the Department of Physical Medicine and Rehabilitation (PMR) at Harvard Medical School and Associate Director, PMR Service, at the Massachusetts General Hospital. She received clinical training in internal medicine, geriatrics, and PMR. Her publications address exercise among older adults, models of rehabilitation, and quality improvement initiatives.Lois M. Verbrugge, Ph.D., M.P.H., is Distinguished Senior Research Scientist in the Institute of Gerontology at the University of Michigan. She has contributed to disability theory and has conducted analyses of arthritis disability, gender differences in morbidity and mortality, and co-morbidity, using large-scale data sets. Her recent publications have emphasized the relative benefits of equipment and personal assistance for disability, the interleaving of aging and disability, and global indicators of disability. She was awarded the American Psychological Association Distinguished Contribution to Women’s Health Award in 1994.Whitney P. Witt, Ph.D., M.P.H., is an Assistant Professor of Medicine in the Division of General Internal Medicine and Center for Healthcare Studies at the Northwestern University, Feinberg School of Medicine. Dr. Witt’s prior work focuses predominately on people living with HIV/AIDS, including children and their families. Over the last five years, she has applied her experience in advocacy, policy, and research on vulnerable and high-cost, chronically ill populations to the field of maternal and child health services research. Dr. Witt’s research emphasizes the importance of family adaptation in ensuring the mental health of children with disabilities and for helping these children obtain access to mental health services. Most recently, her work has focused on the impact of maternal depression on familial health and mental health, preventive care practices, and use of health and mental healthcare services. She holds a Ph.D. in health services research and a M.P.H. from the Johns Hopkins Bloomberg School of Public Health and a B.A. in women’s studies and law from Hampshire College.Li-shou Yang, Ph.D., is Research Investigator in the Institute for Social Research at the University of Michigan. Trained in social demography, her research focuses on the family, the life course, and social change.

Management and especially strategy research rely heavily on the use of ratios to measure a variety of firm, industry, and societal characteristics. Most often, these ratios are created simply to control for size effects (i.e., scaling) emanating from differences in the size of firms, industries, populations, or national economies on the variables of interest. In addition, ratios may also hold theoretical meaning apart from that of their components. Despite the popularity of ratios and regardless of their purpose, the use of ratios is not without controversy. In particular, several studies have demonstrated that the use of ratio measures in correlations and multiple regressions can exaggerate relations of interest leading to biased and unstable results. In this chapter, I review the debate surrounding the use of ratio measures, discuss the problems for estimation and inference that are likely to arise when ratios are used in statistical estimation, and provide alternatives to the use of ratio variables that still satisfy the purpose for which ratio measures are often created.

It is customary these days to denounce our society for its unconscionable neglect of the elderly, while we look back romantically to some indeterminate past when the elderly were respected and well cared for. Contrary to this popular view, old people historically have enjoyed neither respect nor security. As Simone de Beauvoir so effectively demonstrates in The Coming of Age (New York: Putnam, 1972), the elderly have been almost universally ill‐treated by societies throughout the world. Even the Hebrew patriarchs admonished their children to remember them as they grew older: “Cast me not off in time of old age; when my strength fails, forsake me not” (Psalms 71:1). Primitive agrarian cultures, whose very existence depended upon the knowledge gleaned from experience, valued their elders, but even they were often moved by the harsh conditions of subsistence living to eliminate by ritual killing those who were no longer productive members of society. There was a softening of societal attitudes toward the elderly during the period of nineteenth century industrial capitalism, which again valued experience and entrepreneurial skills. Modern technocratic society, however, discredits the idea that knowledge accumulates with age and prefers to think that it grows out‐of‐date. “The vast majority of mankind,” writes de Beauvoir, “look upon the coming of old age with sorrow and rebellion. It fills them with more aversion than death itself.” That the United States in the twentieth century is not alone in its poor treatment of the aged does not excuse or explain this neglect. Rather, the pervasiveness of prejudice against the old makes it even more imperative that we now develop programs to end age discrimination and its vicious effects.

It is not surprising that the dominant cognitive frame through which most audiences view climate change is that of an environmental problem. However, this messaging strategy has proven susceptible to counter-attacks, defensing processing, and other cognitive biases. As such, many environmental advocates are switching gears. From Barack Obama to Pope Francis, the environment-as-public-health-concern narrative is increasingly found in climate change messages. This strategy involves making the abstract issue of climate change more concrete by tying it to negative health impacts, like asthma, heat-related illness, and the spread of disease. Understanding why and for whom this strategy is persuasive, particularly in a social media context where users often encounter persuasive climate change messages, can help advance theory and practice.

The purpose of this chapter is two-fold: 1.) Test the effects of climate message frame (damage to nature or damage to public health), message source (liberal or conservative organization), and the use of visual human exemplars (present or absent) in social media messages; and, 2.) Assess the predictive utility of different conceptual frameworks (personification, construal level theory, and moral foundations theory) as explanatory mechanisms for persuasive social media climate message effects. The results of a nation-wide experiment reveal that the use of visual exemplars matters when climate change is framed as an environmental problem, but otherwise message frame, source, and visual exemplar use have little impact on policy attitudes. Further analyses demonstrated that multiple conceptual mechanisms related to the aforementioned theories help explain social media effects on climate change attitudes.

Sleep disturbances, present in more than 90% of major depressive disorder (MDD) patients, are moderated by sex in adult MDD. In particular, slow-wave electroencephalographic activity (SWA; 0.5-4 Hz) accumulation is low and dissipation impaired. This SWA abnormality in depressed adult males does not change with age, suggesting that SWA abnormality appears at early ages. The present study evaluated sex differences in SWA in adolescents with MDD compared to healthy controls. We evaluated regularized sleep-wake schedules at home for 5-7 days, followed by two consecutive nights of sleep EEG recording. The study included 104 participants, 52 symptomatic and depressed subjects (MDD: 20 males and 32 females) and 52 healthy controls (HC: 20 males and 32 females), aged 13-18 years. SWA power and dissipation, and duration and latencies to each Non-Rapid Eye Movement (NREM) sleep period were calculated for each group. Results showed that SWA accumulation in the first NREM period was lower and its dissipation across the night more irregular in MDD males compared to HC males (P<0.009). By contrast, SWA was equivalent in MDD and HC females. In conclusion, as reported in adult MDD, the accumulation and dissipation of SWA was abnormal in depressed adolescents, but only in males. SWA abnormalities in adolescent MDD may relate to different depressive symptoms in females and males. These results underscore the need to develop sex-specific therapies to enhance and restore SWA in depressed adolescents.

Educators who work in K-12 educational settings have only begun to make sense of the many consequences the COVID-19 pandemic has had for students. Months of remote teaching and learning have made one thing quite clear; the academic, physical, and mental health benefits of in-person schooling are difficult to replicate through online learning. The COVID-19 pandemic has elevated the importance of social emotional learning (SEL) as children have experienced substantial reductions in social contact with peers while attending school remotely. Given the profound impact this past year has had on children’s social emotional (SE) health, it has never been more important for educators, parents, and caregivers to support student’s SE health. While it may be tempting to put student’ SE well-being on the back burner as we scramble to make up for lost learning; we stand at a crossroad. We can radically weave SEL into the school day to ensure students continue to develop critical SE skills in a socially distanced world or we can fall back on business as usual.