IFS/STICERD/UCL Development Work in Progress Seminar
More Powerful Cluster Randomized Control Trials
Marcos Vera-Hernandez (University College London), joint with Brendon McConnell
Thursday 15 September 2022 13:00 - 14:00
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About this event
Balanced experimental designs, in which the number of treatment and control units are the same, do not maximize power subject to a cost constraint when treatment units are more expensive than control ones. Despite this, such balanced designs are the norm in economics. This paper describes methods to optimally choose the number of treatment and control clusters, and the number of units within treatment and control clusters, allowing for full flexibility. We use three archetypal examples from the development literature to illustrate the magnitude of the power gains, which lie between 8.5 and 19 percentage points.
This seminar series is jointly organized by the IFS, STICERD, and UCL.
IFS/STICERD/UCL Development Economics Work In Progress seminars are held on Thursdays in term time at 13:00-14:00, at the IFS, unless specified otherwise.
Seminar organisers: Oriana Bandiera (STICERD, LSE), Imran Rasul (UCL), Britta Augsburg (IFS) and Jonathan Weigel (LSE).
For further information please contact Britta Augsburg: firstname.lastname@example.org.
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