In a previous post I mentioned DDD designs as a similar strategy to controlling for state-specific time trends (along with matched DIDs). David Rosnick - a classmate of mine at GW and now at CEPR - emailed this DDD analysis he did for CEPR.
Daniel Kuehn is a doctoral candidate and adjunct professor in the Economics Department at American University. He has a master's degree in public policy from George Washington University.
I rеaԁ this article comρletely сoncerning the comраrіson of most up-to-date and pгevious technolοgіes, it's amazing article.
ReplyDeleteHere is my blog dumpster rentals raleigh
Also see my web site :: boston dumpster service