The majority of recent empirical papers in operations management (OM) employ observational data to investigate the causal effects of a treatment, such as program or policy adoption. However, as ...
Cohort studies can be biased by unmeasured confounding. We propose a hybrid ecologic-epidemiologic design called the trend-in-trend design, which requires a strong time trend in exposure, but is ...
A healthy system of gut bacteria, or microbiota, is crucial to health: Gut bacteria not only aid with digestion, but also play an important role in the body's immune response. Infants, however, are ...
We describe how ordinary interpretations of causal models and causal graphs fail to capture important distinctions among ignorable allocation mechanisms for subject selection or allocation. We ...
Leonardo Madureira, associate dean for research, associate professor of banking and finance, co-authored new research in the Journal of Finance and Quantitative Analysis on the effect of geography on ...
The world’s largest biomedical research agency has formally acknowledged the causal link between contact sports and chronic traumatic encephalopathy (CTE). Campaign groups have described the move as a ...
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