This book provides a language and a set of tools for finding bounds on the predictions that social and behavioral scientists can logically make from nonexperimental and experimental data. The economist Charles Manski draws on examples from criminology, demography, epidemiology, social psychology, and sociology as well as economics to illustrate this language and to demonstrate the broad usefulness of the tools.
There are many traditional ways to present identification problems in econometrics, sociology, and psychometrics. Some of these are primarily statistical in nature, using concepts such as flat likelihood functions and nondistinct parameter estimates. Manski's strategy is to divorce identification from purely statistical concepts and to present the logic of identification analysis in ways that are accessible to a wide audience in the social and behavioral sciences. In each case, problems are motivated by real examples with real policy importance, the mathematics is kept to a minimum, and the deductions on identifiability are derived giving fresh insights.
Manski begins with the conceptual problem of extrapolating predictions from one population to some new population or to the future. He then analyzes in depth the fundamental selection problem that arises whenever a scientist tries to predict the effects of treatments on outcomes. He carefully specifies assumptions and develops his nonparametric methods of bounding predictions. Manski shows how these tools should be used to investigate common problems such as predicting the effect of family structure on children's outcomes and the effect of policing on crime rates.
Successive chapters deal with topics ranging from the use of experiments to evaluate social programs, to the use of case-control sampling by epidemiologists studying the association of risk factors and disease, to the use of intentions data by demographers seeking to predict future fertility. The book closes by examining two central identification problems in the analysis of social interactions: the classical simultaneity problem of econometrics and the reflection problem faced in analyses of neighborhood and contextual effects.
Contributors. Gopal Balakrishnan, Tani E. Barlow, Neil Brenner, Richard E. Lee, Franco Moretti, David Palumbo-Liu, Bruce Robbins, Helen Stacy, Nirvana Tanoukhi, Immanuel Wallerstein, Kären Wigen
Government agencies spend billions of dollars each year for policy analysis with the expectation that improved policy will follow. Although civil servants conduct some analysis themselves, more frequently they contract with research organizations to assess the probable consequences of new social policies and to answer other policy questions.
Jams M. Rogers develops a theory that explains and predicts the impact of policy analysis. He illustrates his theory through welfare reform, where policy analysis is caught in political warfare and has little chance to improve actual policy.
During the 1960s and 1970s over $108 million was spent on four unprecedented social scientific experiments to test the effectiveness of a major proposal to reform the welfare system. Now out of favor, the negative income tax was thn considered to be an appealing alternative to welfare. Starting in New Jersey and Pennsylvania during the Johnson administration, the experimental research continued through Carter's term and helped to keep reform proposal and research organizations alive. This book examines the results of these experiments and their effect on Carter's reform attempt—the Program for Better Jobs and Income.
One of the author's main conclusions concerns the role of value conflict. If there is strong disagreement within society over the goals of policy, analysis will seldom change the minds of decision makers or influence policy. Policy analysis is more likely to influence thinking and policy if the issue involves low conflict.
What do social critics do? I How do they go about doing it? Where do their principles come from? How do critics establish their distance from the people and institutions they criticize?
Michael Walzer addresses these problems in succinct and engaging fashion, providing a philosophical framework for understanding social criticism as a social practice. Walzer maintains that social criticism is an ordinary activity—less the offspring of scientific knowledge than the “educated cousin of common complaint”—and does not depend for its force or accuracy upon any sort of high theory. In his view, the social critic is not someone radically detached and disinterested, who looks at society as a total stranger and applies objective and universal principles. The true social critic must stand only a little to the side of his society—unlike Jean-Paul Sartre during the Algerian war, for example, who described himself as an enemy of his own people. And unlike Lenin, who judged Russian society against a standard worked out with reference to other places far away.
The “connected” critic is the model Walzer offers, one whose distance is measured in inches but who is highly critical nevertheless. John Locke is one example of the connected critic who argued for religious toleration not as a universal right ordained by reason but as a practical consequence of Protestant theology. The biblical prophets, such as Amos, were also men of their own day, with a particular quarrel to conduct with their fellows; the universalism of that quarrel is our own extrapolation. Walzer explains where critical principles come from, how much distance is “critical distance,” and what the historical practice of criticism has actually been like in the work of social philosophers such as Marx, Gramsci, Koestler, Lenin, Habermas, and Rawls.
Walzer posits a moral world already in existence, a historical product, that gives structure to our lives but whose ordinances are always uncertain and in need of scrutiny, argument, and commentary. The social critic need bring to his task only the ordinary tools of interpretation. Philosophers, political theorists, and all readers seriously interested in the possibility of a moral life will find sustenance and inspiration in this book.
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