When randomised controlled trials are not possible to conduct due to feasibility, ethical, or policy reasons, quasi-experimental study designs can be used to evaluate the causal impact of health ...
There are several contexts in which randomization in research design is not possible. Researchers may be interested in the effects of large-scale events or policy initiatives, or of complex causal ...
Janet Currie ( [email protected]) is the Henry Putnam Professor of Economics and Public Affairs at Princeton University, in New Jersey. Samantha Heep Ray is an analyst at Cornerstone Research, in San ...
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