# Parallel trends `kaal:entity:parallel-trends` **Status.** derived This node is assembled mechanically from the 2 claims that carry the concept tag `parallel-trends`. It is a roster of what the corpus says under this term. It is **not** an adjudicated definition: no single statement here has been ruled canonical, and no first-appearance call has been made. Read the claims and judge for yourself. ## Every claim under this term 2 claims across 2 works, 2014 to 2021. **2014** - [2389416-036](https://wulfkaal.github.io/claims/2389416-036) [empirical/evidenced] -- The parallel trends assumption required for the difference-in-differences design is satisfied, because pre-treatment performance data show the same time trends for treatment and control groups. > Using additional pre-treatment performance data, Figure 13 suggests that the trends in our dataset are the same for the treatment and control group. Wulf A. Kaal, Barbara Luppi, Sandra Paterlini, Did the Dodd-Frank Act Impact Hedge Fund Performance (2014). SSRN: https://ssrn.com/abstract=2389416 **2021** - [3936876-043](https://wulfkaal.github.io/claims/3936876-043) [predictive/speculative] -- Centralized custody solutions and decentralized non custodial deal platforms will run in parallel until both are more established, and existing DeFi trends suggest the decentralized non custodial deal platforms will produce more innovation and better deals. > The existing trends in DeFi seem to suggest that the decentralized non-custodial deal platforms will have more innovation and better deals. Wulf A. Kaal, Hayley Howe, Custody of Digital Assets (2021). SSRN: https://ssrn.com/abstract=3936876 ## Verify Every claim above resolves to a record carrying a verbatim source quote, the sha256 of the source PDF, and a preformatted citation. Nothing here asks to be taken on trust. curl -s https://wulfkaal.github.io/entities/parallel-trends.md | sha256sum **Canonical form.** This markdown file is the canonical hashed representation of this entity node. Its sha256 is the content hash.