Skip to main content
Phil Nguyen's user avatar
Phil Nguyen's user avatar
Phil Nguyen's user avatar
Phil Nguyen
  • Member for 3 years, 2 months
  • Last seen more than a week ago
  • New Zealand
13 votes
4 answers
32k views

What is the difference between ATE and ATT?

0 votes
2 answers
13k views

What are the difference between industry fixed effects and industry*year fixed effects?

5 votes
1 answer
10k views

What are the main differences among xtreg, areg, reghdfe?

1 vote
2 answers
1k views

What is the difference between finite and infinite samples?

0 votes
1 answer
1k views

Should we use the firm and industry fixed effects together?

0 votes
2 answers
1k views

Have you ever seen any paper controlling for firm, industry, and year fixed effect at the same time?

4 votes
2 answers
997 views

Why we need at least 40 groups to be properly clustered?

2 votes
3 answers
969 views

What should we do if the subsample have the opposite results to the general results?

1 vote
1 answer
874 views

Why we need to control for the interation of year and industry fixed effects?

2 votes
1 answer
805 views

Clarifying the definition of "event study"?

3 votes
2 answers
787 views

How clustering affects standard error?

2 votes
1 answer
728 views

Why the larger the sample, the lower standard deviation?

3 votes
2 answers
716 views

How to justify the treatment and control groups for Difference-In-Difference with staggered implementation of laws?

2 votes
1 answer
637 views

What do "underidentification" and "point-identified" mean in econometrics?

2 votes
2 answers
636 views

How to clarify the description of common trend assumption?

1 vote
1 answer
634 views

Why excluding intercept is dangerous if there is no literature back up in DID setting?

0 votes
1 answer
555 views

How to explain the meaning of the coefficient of interest of Difference-in-Differences?

3 votes
1 answer
546 views

How to deal with "outcome does not vary in any group" when dealing with xtlogit

2 votes
1 answer
455 views

Why we need to add firm and year relating independent variables in two-way fixed effect model?

1 vote
0 answers
420 views

What is the difference between "cluster analysis" and "discriminant analysis"

0 votes
2 answers
395 views

What does negative surprise mean?

3 votes
1 answer
395 views

What are the dynamic and static event-study?

0 votes
2 answers
388 views

What are the benchmarks for parallel trend test in Difference-in-Differences?

3 votes
2 answers
345 views

What does "Difference-in-Diffrence" models with heterogeneous effects" mean?

0 votes
2 answers
330 views

Why "positive theory" is important in discussions of how antitrust law achieve "normative goal"?

3 votes
2 answers
319 views

What are some alternative words for "cartel"?

5 votes
1 answer
310 views

What shoud we do when the expected treatment overlaps control sample in DID?

0 votes
1 answer
276 views

When I should concern if the number of observation varies quite a bit?

3 votes
2 answers
241 views

Will excluding the intercept affect other variables' coefficients?

2 votes
1 answer
216 views

What are the meanings of "difference-in-differences" and "causal estimand"?

1
2 3 4 5