Thoughtful coverage of ongoing discussions in the field — RCTs versus observational methods, external validity, ethics, bias, and the limits of causal claims.
Synthetic Control vs. Difference-in-Differences: When to Use Which?
Should Covariates Always Be Included in Randomised Experiments?
Pre-registration and Researcher Degrees of Freedom: Does Economics Have a Replication Problem?
External Validity: Are Local Average Treatment Effects Policy-Relevant?
The Parallel Trends Assumption: Testable, Credible, or Dogma?
RCTs vs. Observational Studies: Is Randomisation the Gold Standard?