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Thursday, September 23, 2021 at 3:00pm to 4:30pmVirtual Event
Ian Lundberg, (Sociology, University of California, Los Angeles), will give a talk as part of the Center for the Study of Inequality’s 2021-22 speaker series on Thursday, September 23, starting at 3:00pm. While currently a Postdoctoral Scholar in the Department of Sociology and California Center for Population Research at UCLA, in 2022 he will begin as an Assistant Professor in the Department of Information Science at Cornell University.
The talk will be followed by a brief Q&A. Additional information on Ian’s talk can be found below.
This presentation will make only one point. Every quantitative study must be able to answer the question: what is your estimand? The estimand is the target quantity—the purpose of the statistical analysis. Much attention is already placed on how to do estimation; a similar degree of care should be given to defining the thing we are estimating. We advocate that authors state the central quantity of each analysis—the theoretical estimand—in precise terms that exist outside of any statistical model. In our framework, researchers do three things: (1) set a theoretical estimand, clearly connecting this quantity to theory, (2) link to an empirical estimand, which is informative about the theoretical estimand under some identification assumptions, and (3) learn from data. Adding precise estimands to research practice expands the space of theoretical questions, clarifies how evidence can speak to those questions, and unlocks new tools for estimation. By grounding all three steps in a precise statement of the target quantity, our framework connects statistical evidence to theory.
About Ian Lundberg:
Ian Lundberg is a Postdoctoral Scholar in the Department of Sociology and California Center for Population Research at UCLA. His research develops statistical and machine learning methods to answer new questions about inequality in America. Past work is published or forthcoming in PNAS, the American Sociological Review, Demography, the Journal of Policy Analysis and Management, Sociological Methodology, Sociological Methods and Research, and Socius. This academic year, Ian is working on an NSF-funded postdoctoral project developing computational methods to study income mobility. In 2022, he will begin as an Assistant Professor in the Department of Information Science at Cornell University.
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