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Multiple regression analysis has been widely used by researchers to analyze complex social problems since the 1950s. A specialization in economics, known as econometrics, developed out of a recognition that multiple regression is based upon a large number of assumptions-many of which are commonly violated in specific applications. Econometricians developed tests for violations of the regression model assumptions, as well as a variety of corrective measures for estimating regression models in the presence of many of the violations. Unfortunately, the mathematical sophistication required to understand the econometrics literature started out high and has continued to rise over the years. As a consequence, an understanding of the assumptions of the regression model, tests for violations, and corrective estimation approaches have failed to permeate widely many other policy-related disciplines such as political science, social work, public administration, and sociology. One of the key objectives of this book is to translate the results from the econometrics literature into language that policy analysts from other disciplines can understand easily. A second objective is to present a discussion of so-called limited-dependent variable models. One of the assumptions of the regression model is that the dependent variable is measured on an interval scale. But often the dependent variable of interest is discrete or categorical. Whether someone is in poverty or, whether they are working full-time, part-time, or out of the labor force, marital status-all are examples of categorical variables that might be of policy interest. Moreover, the growing availability of large-scale public use data sets containing information on individuals and families has heightened the relevance of categorical variables in policy analysis. The mathematical preparation required to understand procedures for estimating categorical models is, however, even more daunting than that for fully understanding and using the regression model. As with the theoretical development of the regression model, most presentations of categorical models, such as Logit and Probit, are to be found in econometric literature. Moreover, this literature offers little in the way of practical advice on how to estimate and interpret model results. This book is the first to present a detailed and accessible discussion of multiple regression and limited-dependent variable models in the context of policy analysis. As such it will be an invaluable resource for most scholars, researchers, and students in the social and behavioral sciences.
This is a wide-ranging sourcebook filling a gap in the literature about employment policies and programs for older persons. The contributors represent the perspectives of the individual, the employer, and society-at-large. Their essays consider labor force characteristics; historical trends; key features of social security, pensions, and other retirement matters; age discrimination; economic, social, and political aspects related to employment and the elderly. A lengthy bibliography enhances the use of this major new reference tool for students, scholars, and practitioners in gerontology, social work, and business.
This book refutes prevailing theories that attribute post-1950 state per capita income convergence to (1) neo-classical adjustment mechanisms, (2) institutional sclerosis, and (3) southern industrialization. Wheat and Crown argue that southern income was low because of slavery's legacy--sharecropping, agricultural dependence, low urbanization, poor education, high Black population percentages, and low wage rates. The legacy's dominant feature was the sharecropper-tenant farmer system, which replaced slavery. Sharecropping was the foundation of southern poverty. Sharecropping's collapse, beginning around 1950, affected all of the other features of slavery's legacy. For example, millions of sharecroppers out-migrated from the South, shifting poverty to the North and lowering the South's Black percentage. This out-migration, white in-migration, and the civil rights movement jointly raised educational attainment in the South, further boosting southern income. Southern industrialization had only a marginally significant effect. In 1950's high income region, the West, the transport cost element in the price of manufactured goods shrank because of (1) transportation improvements and (2) rapid manufacturing growth, which reduced the need for long distance imports from the Manufacturing Belt. The resulting decline in the West's relative cost of living led to wage adjustments. Consequently, the West--despite having the highest manufacturing growth rates--had the nation's lowest per-capita income growth rates. Agricultural decline and educational gains stimulated income growth in the Plains. Nationally, per-capita employment gains were a strong influence.
This book examines claims that aging populations will create serious economic problems for various nations. It examines the question in large part through the eyes of researchers and legislators in three target countries: Australia, Japan, and the United States. These countries were chosen because of similar states of economic development and because all were experiencing a rapid aging of their populations. A comprehensive overview is provided of the economic issues related to aging populations. Several aspects are explored in more depth. To date, it is the most complete and thorough study of economic issues associated with population aging. After a brief review of the phenomenon of demographic aging, the authors give a summary of the major economic programs offered to the aged. Extensive research is used to evaluate the concept of dependency ratios and to predict the impact on younger and older persons of future economic and demographic growth. This discussion then provides the basis for a review of evolving retirement policies in the three countries. Special attention is given to the way pension plans have been designed, especially early and mandatory retirement policies. An assessment of the adequacy of retirement income follows. The final three chapters are devoted to policy options for the future, given trends in demographic aging. Social scientists and economists will be most interested in this study.
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