Can PanelMatch be Used for Triple Differences-in-Differences (DDD)?

[flacno]

Hi everyone,

I'm currently working on a project where I need to estimate the causal effect of a treatment using time-series data. Specifically, I am interested in implementing a triple differences-in-differences (DDD) approach.

My questions is: is it possible to use the PanelMatch package in R to implement a triple differences-in-differences (DDD) approach? If so, how can this be achieved?

Any guidance, suggestions, or resources would be greatly appreciated. Thank you!

Fabio