Scholar4AI Updated 2026-10-26 14:52 UTC+09:00

Event study (abnormal returns)

Share: X LinkedIn Bluesky Threads Facebook Reddit Hacker News Hatena LINE Email
Copy:

area: Causal inference · 1 papers in the last 7 days

← Most-used equations and models

ARit=Rit−(α^i+β^iRmt),CARi=∑t=t1t2ARit

Measures returns beyond what a market model predicts around an event such as an announcement.

LaTeX: AR_{it} = R_{it} - (\hat\alpha_i + \hat\beta_i R_{mt}),\quad CAR_i = \sum_{t=t_1}^{t_2} AR_{it}

Names searched for: abnormal return, cumulative abnormal return, buy-and-hold abnormal return

Key findings#

  • Event study (abnormal returns) was mentioned in 11 papers in the last 30 days (2026-09-27 to 2026-10-26), ranking #64 of the 104 equations and models mentioned.
  • By journal category: Finance (8), Operations Research (1), Management (1) and Accounting (1).
  • Most of them appeared in Finance research letters (3), International Review of Economics & Finance (2) and Financial markets and portfolio management (1).
  • Often mentioned together with Ordinary least squares (OLS) (2), Capital asset pricing model (CAPM) (2) and Logistic regression (logit) (1).
  • Datasets named in the same papers: Earnings call transcripts (3), Refinitiv Datastream (2) and CRSP (1).
  • From Oct 2023 to Sep 2026, 285 archived papers mentioned Event study (abnormal returns) in their title, abstract or keywords, most of them in Jan 2025 (22).

Mentions over 36 months#

Papers mentioning it by publication month, Oct 2023 to Sep 2026 (titles, abstracts and keywords)
TrendOct 23–Sep 24Oct 24–Sep 25Oct 25–Sep 2636 months
1351437285
Papers mentioning Event study (abnormal returns), newest first.
DateTitleJournalAuthorsAffiliations
2026-10-23From pixels to profits: trading arbitrage portfolios based on image representationsFinancial markets and portfolio managementNiklas PaluszkiewiczUniversität Ulm
2026-10-17Expected default risk and abnormal returns: Evidence from textual disclosures in earnings conference callsDecision Support SystemsYi‐Mien Lin, Li-Yu Chen
2026-10-15Energy firms and global equity returns during escalations and de-escalations in the 2025–2026 Iran-US/Israel conflictsFinance research lettersBjörn Miketta, Christian Ludwig, Florian Gärtner et al.Justus-Liebig-Universität Gießen
2026-10-15Scripted and unscripted disclosure: Tone in Brazilian earnings calls and short-window market reactionsInternational Review of Economics & FinanceRodrigo Dos Reis Maia, Jorge Miguel BravoUniversidade Nova de Lisboa
2026-10-13Predicting individual stock crashes via extreme return probabilities: Machine learning with Bayesian optimizationJournal of Banking & FinanceZihao Chen, Haitao Li, Guoliang Ma et al.Iowa State University; Cheung Kong Graduate School of Business
2026-10-10Individual investors and SPAC performanceResearch in International Business and FinanceHyunseok Kim, Kyojik SongJeonju University; Sungkyunkwan University
2026-10-01AI Narratives and Factual Response Gaps: Disclosure Choices and Market Responses in Investor-Firm Q&AInternational Review of Economics & Finance辛世博, Yuechen Wang, Bowen LiangBeijing Technology and Business University; University of International Business and Economics
2026-10-01IRS monitoring and directors’ insider trading profitabilityFinance research lettersSung Gon Chung, Jimmy Lee, Sang Hyun ParkWayne State University; Singapore Management University; Augusta University
2026-09-30Do markets price new geopolitical exposure? Evidence from cross-border acquisitionsFinance research lettersSilvia Rigamonti, Andrea SignoriUniversità Cattolica del Sacro Cuore
2026-09-29Cognitive processing of nonverbal cues in earnings conference calls: The association between CEO vocal emotion and stock market reactionsJournal of Business ResearchBaojun Ma, Lingyun Zhou, Yao Mu et al.Hohai University; Shanxi University of Finance and Economics; Shanghai International Studies University
2026-09-28The financial transaction tax in SpainJournal of International Accounting Auditing and TaxationA-M. Fuertes, Marcos González-Fernández, M-D. RoblesCity, University of London; City St George's, University of London; Universidad de León; …
Cite this page

Scholar4AI. (2026). Event study (abnormal returns). Journal Research Rankings. Retrieved October 26, 2026, from https://scholar4ai.com/equations/event-study-abnormal-returns

@misc{scholar4ai-equations-event-study-abnormal-returns,
  author = {{Scholar4AI}},
  title = {Event study (abnormal returns)},
  year = {2026},
  howpublished = {\url{https://scholar4ai.com/equations/event-study-abnormal-returns}},
  urldate = {2026-10-26},
  note = {Journal Research Rankings; data from OpenAlex (CC0); licensed CC BY-NC 4.0}
}

Free to reuse for non-commercial purposes with attribution (CC BY-NC 4.0).