Dear Workshop Community,
Our next meeting will be *Wednesday November 6*, where Nicole Pashley will
present research on* "Causal Inference for Multiple Non-Randomized
Treatment Using Fractional Factorial Designs"*
*Abstract:* We explore a framework for addressing causal questions in an
observational setting with multiple treatments. This setting involves
attempting to approximate an experiment from observational data. With
multiple treatments, this experiment would be a factorial design. However,
certain treatment combinations may be so rare that, for some combinations,
we have no measured outcomes in the observed data. We propose to
conceptualize a hypothetical fractional factorial experiment instead of a
full factorial experiment and lay out a framework for analysis in this
setting. We also connect our design-based methods to standard regression
methods. We illustrate the method and the challenges of this type of data
through application.
*Where:* CGIS Knafel Building, Room K354 (see this link
<https://map.harvard.edu/?bld=04471&level=9> for directions).
*When: *Wednesday, November 6 at 12 noon - 1:30 pm.
All are welcome. Lunch will be provided.
Best,
Georgie
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