เปรียบเทียบวิธี

	Bayesian Difference-in-Differences	ไดนามิก ดิฟ-อิน-ดิฟ (Dynamic Difference-in-Differences)
สาขาวิชา	การอนุมานเชิงสาเหตุ	การอนุมานเชิงสาเหตุ
ตระกูล	Regression model	Regression model
ปีกำเนิด	2015-2023	2021
ผู้ริเริ่ม	Li & Marchand (formal Bayesian DiD framework); Brodersen et al. (Bayesian causal inference in time series)	Callaway & Sant'Anna; Sun & Abraham
ประเภท	Bayesian causal inference / panel regression	Causal inference / quasi-experimental
แหล่งต้นตำรับ	Li, F., & Marchand, J. (2023). Bayesian inference for difference-in-differences. Econometrics Journal, 26(3), 509-529.	Callaway, B., & Sant'Anna, P. H. C. (2021). Difference-in-differences with multiple time periods. Journal of Econometrics, 225(2), 200-230.
ชื่อเรียกอื่น	Bayesian DiD, Bayes DiD, Bayesian diff-in-diff, Bayesian panel causal estimator	Dynamic DiD, Staggered DiD, Event-time DiD, Heterogeneous-timing DiD
ที่เกี่ยวข้อง	5	4
สรุป	Bayesian Difference-in-Differences applies Bayesian statistical inference to the classic DiD design, replacing frequentist point estimates with full posterior distributions over the treatment effect. This yields not only an estimate of the causal effect but also a coherent probability statement about its magnitude and uncertainty, making it especially useful when sample sizes are modest or informative prior knowledge is available.	Dynamic Difference-in-Differences extends the classic DiD framework to settings where units adopt treatment at different times. Rather than collapsing all variation into a single 2x2 comparison, it estimates group-time average treatment effects for each adoption cohort at each calendar period, then aggregates them into interpretable summaries of the causal effect over event time.