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Missing and Messy
A DiD horror story?
Oct 8
•
Beatriz Gietner
5
September 2025
Where Standard Assumptions Go To Die
Universal treatments without clean controls, continuous policies without untreated groups, reversible reforms over time and statistical inference with…
Sep 22
•
Beatriz Gietner
15
August 2025
Parallel Trends… Conditionally: Covariates, Violations, and More Robust DiD Methods
The devil in the ~DiD details~
Aug 11
•
Beatriz Gietner
8
DiD+: Handling Data Constraints, Timing Issues and TWFE Limitations
What to do when data can't be pooled, timing gets messy, and TWFE isn't enough
Aug 1
•
Beatriz Gietner
6
July 2025
Heterogeneity, Small Sample Inference, Anticipation, and Local Projections
On uniform confidence bands for conditional effects, a simple approach for small-N inference, refining the "no anticipation" assumption, and the LP-DiD…
Jul 22
•
Beatriz Gietner
8
1
June 2025
Efficient Estimation, Sequential Synthetic Control DiD, and the TWFE Debate
Some practical insights for a more precise and robust estimation.
Jun 27
•
Beatriz Gietner
16
2
All About Heterogenous Treatment Effects
The power of disaggregated causal effects.
Jun 20
•
Beatriz Gietner
18
In defense of Machine Learning in Economics
Why the common criticisms are outdated, and how new methods are making causal inference stronger.
Jun 10
•
Beatriz Gietner
33
3
May 2025
Machine Learning for Continuous Treatments, Bayesian Methods for Staggered Timing, and Using Experiments to Fix Observational Data
How new methods handle treatment intensity, small samples with staggered adoption, and selection bias in observational studies
May 30
•
Beatriz Gietner
15
DDD Estimators, Distributional Effects, Causal Diagrams, and Cross-Field Counterfactuals
New methods and perspectives in causal inference research
May 23
•
Beatriz Gietner
15
More DiD Drops: Continuous Treatments, Sample Selection, and Inference Tests
What to do when your treatment isn’t binary, your sample leaks, and your SEs collapse
May 15
•
Beatriz Gietner
17
2
April 2025
Four new DiD studies + a textbook update
In celebration of 500 subs :) happy to have you all here !
Apr 28
•
Beatriz Gietner
22
2
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