c3-weak-links {ctfepi}sealed case file
Weak Links
Case C3, The Salt TaxQuasi-Experimental Methodsscene 4insane800 pts
Case
The city taxed salty foods in 2028, and the mayor wants to know whether stroke admissions fell because of it.
What this scene will ask
Three candidate instruments for a treatment; one violates the exclusion restriction.
Planned flag: the invalid instrument; 2SLS estimate with the two valid instruments, 3 dp; first stage F statistic, 1 dp.
Status
[#] Sealed. This scene opens when it is written and passes review. Nothing on CTFEpi expires, so there is no rush.