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, 3 months
  • Last seen more than a week ago
  • New Zealand
3 votes
1 answer
395 views

What are the dynamic and static event-study?

1 vote
1 answer
73 views

Can Difference-in-Difference be used when the treatment effects get smaller with time since treatment?

1 vote
1 answer
63 views

Why including individual level variables help to control for confounding events?

0 votes
2 answers
13k views

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

2 votes
3 answers
970 views

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

0 votes
1 answer
134 views

Curiousity about the significance symbol in Stata?

0 votes
1 answer
277 views

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

1 vote
1 answer
103 views

Is there any intuitive example for multi-valued treatment?

0 votes
1 answer
40 views

Whether we must cluster by country with staggered laws implementation?

0 votes
1 answer
26 views

Is there any special reason to use the character "k" standing for the "early"?

0 votes
0 answers
35 views

An ambiguous description in Dasgupta, 2019 regarding the coefficients and choosing baseline specification

0 votes
1 answer
73 views

How to get the condition of OLS mathematically?

0 votes
0 answers
44 views

How many ways to call dependent and independent variables?

3 votes
2 answers
241 views

Will excluding the intercept affect other variables' coefficients?

0 votes
1 answer
48 views

What should we conclude when the significant levels are different but the sign are similar among coefficients of variable of interest?

2 votes
1 answer
728 views

Why the larger the sample, the lower standard deviation?

0 votes
1 answer
40 views

Why different law implementation dates is less susceptiable to concurrent but unrelated economics shocks?

1 vote
1 answer
38 views

What is the economic word for firms buy material in credit?

1 vote
1 answer
76 views

How to classify sample by time-variant index?

4 votes
2 answers
1k views

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

1 vote
0 answers
30 views

References for regional classification

5 votes
1 answer
10k views

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

0 votes
1 answer
60 views

When we should use $R^2$ instead of adjusted $R^2$?

1 vote
1 answer
122 views

Why standard errors in country-level variables are higher than that in firm-level variables?

-1 votes
1 answer
163 views

What is the "dummy variable trap"?

1 vote
0 answers
120 views

What is the "recursive moral hazard theory" of "trade credit"?

1 vote
1 answer
635 views

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

0 votes
1 answer
181 views

A revisit to simple DID and Generalised DID

1 vote
1 answer
26 views

What does "dependent and independent variables only vary at the ($g,t$) level mean?

13 votes
4 answers
32k views

What is the difference between ATE and ATT?