Louis is a military historian and the staff writer for History of War magazine, a leading military history monthly. He also has an interest in private and commercial aviation. Business and first class ...
Experienced ICAO English Language Proficiency Instructor for pilots and ATCOs and conference interpreter who is passionate about facilitating effective communication within aviation-related businesses ...
This paper surveys econometric innovations related to differences-in-differences estimators and to event-study models with time-varying treatment effects. Our discussion highlights tricky ...
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