Hi there, I am new to STATALIST so my apologies if this question has already been addressed.
I am using LSAC preschool data with two separate cohorts - the birth cohort (who enter preschool in 2008) and the kindergarten cohort (who enter preschool in 2004) , thus, the treatment and control groups are different children from different time periods.
NSW implemented a policy reform in 2006 which only impacts the B-cohort and not the K-cohort, so naturally, I have a treatment and control group here
I have cleaned the data & using append to combine the cohorts into my do.file, but I am unsure how to run the DID due to having the two cohorts.
Is there a way to specify my control group as well as my separate treatment group?
I know that this is incorrect, but is there a command that will allow me to do something along the lines of this?
interactionB = NSW*Bcohort
interactionK = NSW*Kcohort
diff y3naplan1, t(interactionB) control(interactionK) p(t)
Or will I just have to run the regressions separately and calculate the difference itself by hand?
Any help would be greatly appreciated as this is for my thesis!
Laura
Related Posts with DID with Two Separate Cohorts
Question about the effect of adding control variables on estimateDear all, I do a research using instrumental variables, the main problem is that we are not sure wh…
How do I perform VIF test after xtregDear Experts, I have run the following xtreg xtreg x fdi l k m lc, fe vce(robust) Is there need to p…
Oaxaca help - mean wage generated does not match the one given by sum commandGood afternoon, I am using the oaxaca command to decompose the ethnic pay gap, in the example here …
mlogit - coefficent and marginal effects with different singsHi, I am running a multinational logistic regression with the mlogit command. I have noticed that t…
Drop variables with common suffix under certain conditionsDear all, I am facing difficulties in dropping some variables conditional on the missing observatio…
Subscribe to:
Post Comments (Atom)
0 Response to DID with Two Separate Cohorts
Post a Comment