Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links
Paper Citation Record · LEDGER
Difference-in-Differences with Multiple Time Periods
As of 20 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 1 inbound Pith citation observation for arXiv:1803.09015.
A citation records a reference. It does not transfer a finding from one paper to another.
Coverage vector
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-20T06:33:59.587034+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links, observed 2026-06-26T15:03:47.978984Z
A source-named dated measurement, never combined with another source.
Source: arxiv_reference, observed 2026-07-04T05:59:37.588821Z
Reference resolution
0 of 0 outbound references displayed
- verified exact0
- verified fuzzy0
- unresolved0
- parse uncertain0
- malformed identifier0
- metadata mismatch0
External citation measurements
No source-named external measurement is stored.
Outbound references
No outbound reference observations are available for this paper version.
Pith citing papers
Observation 153e99b6-e3b6-4928-8197-bd95eafb26e0 · inbound
Choosing A Headline Estimand from Matching, DID, and Hybrid Designs: A Minimax-Regret Approach cites this paper.
Choosing A Headline Estimand from Matching, DID, and Hybrid Designs: A Minimax-Regret Approach Difference-in-Differences with Multiple Time Periods
Reference 14
- Resolution
- verified exact
- arxiv_id, observed 2026-07-04T05:59:37.590773Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.