Identification, Part 4: Differences-in-differences / Natural Experiment

This video explains how economists use differences-in-differences to establish causality, particularly to evaluate programs.

[mikecheng]

Man this is one of the best explanations I see on this topic. My professors at UChicago just assumed people with no econometric background to be able to delve into harder topics without thorough explanations on the shallower ones. I really wish you can do a video or two on MLE/GMM/BLP etc..

[akashkajre]

Your explanation is really good..keep it up..it helps a lot.

[julianduggan]

Mapping the coefficients onto the chart that way is so useful -- thank you!

[StephanieHughesDesign]

As an undergrad BA Econ. grad they never taught me Econometric D in D. This is stellar. Thanks Prof. Ashley.

[topplezen]

Awesome explanation! Actually the best explnation I've ever seen

[alexhoward]

The other videos online regarding stats are terrible. I appreciate your style so much!

[relledom]

beautifully explained! very nice graphical connection between regression equation and the graphical representation!

[beingfunisfun]

you're amazing at explaining things! thank you so much!

[repblicmedia]

Ashley ur explanation is more of real life one! Love your eyes too

[hameddadgour]

Great explanation. Thank you for the video!

[tristangayral]

Thanks Ashley for the clear explanation! :)

[yashs]

Very informative video! Really appreciate it and would love more Econometrics/Economics videos

[neerusingh]

Really very helpful. Can you also make one video on regression slops and what max or min value they must accept.or below some value shows that data is not consistent.

[iidtxbc]

Are they dummy variables with a value of 0 or 1 in the regression?

[empiricistsacademy]

Nice intuitive and visual explanation of diff-in-diff. I noticed at 3:00 you say that main variable of interest is beta3. That should say parameter instead of variable since we don't observe beta3.

[thomashaug]

Excellent videos and explanations of these central but hard to grasp topics! Keep it up! :)

[jessicawu]

It is really helpful! Thank you much 😢

[zhenghan]

To be honest, I think that is not the very standard DID estimation. But the logic behind the standard one is similar to this.

[abhishekKanodia]

Thank You for such a precise explanation

[mocowang]

life saver!!! Thank you! Will you do some deeper videos for identification strategy?