Causal inference in comparative studies, particularly observational studies in the social sciences; matching and propensity scores; randomization-based inference; minimum expected-length confidence intervals.
Statistics 480
Statistics 700
Faculty Associate, Survey Research Center - Quantative Methods Group, Institute for Social Research, University of Michigan
A.B. Mathematics and Philosophy, Harvard College, 1993
M.A. Statistics, University of California, Berkeley, 2000
Ph.D. Logic and Methodology of Science, University of California, Berkeley, 2001
B. B. Hansen and S. Olsen Klopfer (2006). Optimal full matching and related designs via network flows. Journal of Computational and Graphical Statistics, 15, (3) 609-627.
S. E. Evans, B. B Hansen & P. B. Stark (2005) Minimax expected measure confidence sets for restricted location parameters. Bernoulli, 11, (4) 571-590.
B. B
Hansen (2004). Full matching in an observational study of coaching for the SAT. Journal of the American Statistical Association, 99,
(467) 609-619
J. D. Morenoff, J. S. House, B. B. Hansen, D. R.Williams, G. A. Kaplan, H. E. Hunte (2007). Understanding social disparities in hypertension prevalence, awareness, treatment, and control: The role of neighborhood context. In press, Social Science and Medicine.
A. Gnedin, B. B. Hansen, J. Pitman (2007). Notes on the occupancy problem with infinitely many boxes: general asymptotics and power laws. Probability Surveys, 4, 146–171.