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Rashawn Ray profiled by Robert Wood Johnson Foundation
A member of RWJF Scholars in Health Research program
Located in News
Article Reference Troff document (with manpage macros)Optimal Aggregation of Consumer Ratings: An Application to Yelp.com
Because consumer reviews leverage the wisdom of the crowd, the way in which they are aggregated is a central decision faced by platforms. We explore this "rating aggregation problem" and offer a structural approach to solving it, allowing for (1) reviewers to vary in stringency and accuracy, (2) reviewers to be influenced by existing reviews, and (3) product quality to change over time. Applying this to restaurant reviews from Yelp.com, we construct an adjusted average rating and show that even a simple algorithm can lead to large information efficiency gains relative to the arithmetic average.
Located in MPRC People / Ginger Zhe Jin, Ph.D. / Ginger Zhe Jin Publications
How Does the Amount of Time Mothers Spend with Children Matter?
Dr. Milkie's research helps to reshape cultural frames regarding maternal time and children's well being
Located in Research / Selected Research
The Nuances of Blackness: Race, Complexion and Mental Health
Verna M. Keith, Professor, Department of Sociology, Texas A & M University
Located in Coming Up
Recession brought downward trend in doctor visits
Mortensen study examines recession effects on health delivery
Located in News
Who are the happiest Americans ?
Faculty Associate John Robinson tracks trends from 1965 to 2010
Located in News
Seminar Series: The Effect of College Education on Health
Kasey Buckles, Assistant Professor, Department of Economics, University of Notre Dame
Located in Coming Up
Seminar Series: Single Motherhood and Child Mortality in Sub-Saharan Africa: A Life Course Perspective
Shelley Clark, Associate Professor, Department of Sociology, McGill University
Located in Coming Up
File Troff document (with manpage macros)Revisiting Swidler, Again: Brain, Self, and Culture in Action
Christine Bachrach, University of Maryland and Duke University; 2012-011
Located in Research / Working Papers / WP Documents
FileEpidemiological Paradox or Immigrant Vulnerability ? Obesity Among Young Children of Immigrants
Michael S. Rendall, University of Maryland; Elizabeth H. Baker and Margaret M. Weden, RAND Corporation; 2012-010
Located in Research / Working Papers / WP Documents