Developing and Evaluating a Synthetic Control Method for Comparative Case Studies
Instruction: Design a study using the Synthetic Control Method (SCM) to evaluate the impact of a regulatory change in the tech industry. Describe how you would construct the synthetic control and assess its validity.
Context: This question tests the candidate's knowledge of advanced causal inference techniques, specifically the Synthetic Control Method, which is used to estimate the effect of interventions when a randomized control trial is not feasible. Candidates must demonstrate their ability to create a synthetic control group that closely mirrors the characteristics of the treated group prior to the intervention and discuss methods for validating the effectiveness of the control.
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Define the regulatory intervention, treated unit, timing and outcome. For innovation, patent counts are one proxy with reporting lags and quality limits; state the exact measure rather than equating more filings with better innovation.
Choose donors plausibly unaffected by the regulation or its spillovers...