c3-sharp-edge {ctfepi}sealed case file
Sharp Edge
Case C3, The Salt TaxQuasi-Experimental Methodsscene 3hard400 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
A regression discontinuity at an age threshold; local linear fit, triangular kernel, stated bandwidth.
Planned flag: discontinuity estimate, 3 dp; observations within the bandwidth; slope left of the cutoff, 3 dp.
Status
[#] Sealed. This scene opens when it is written and passes review. Nothing on CTFEpi expires, so there is no rush.