David Powell

@thedavidpowell

Does stuff at University of Pennsylvania.

sites.google.com/view/davidpowe… Joined November 2017

253 Following 3.2K Followers 2.3K Posts

Latest posts 5

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David Powell @thedavidpowell Aug 18, 2021

If I can add a paper to the DiD pile: sites.google.com/view/davidpowe… discusses how TWFE even without staggered adoption can be biased by covariates. 1/7

sites.google.com David Powell's Homepage - The Labor Supply Consequences of the Opioid Crisis U.S. prime-age labor force participation has fallen since 1999, and why remains unsettled. I study the opioid crisis's role, exploiting OxyContin's 1996 launch and Purdue Pharma's decision to market...

David Powell @thedavidpowell 2d

It’s “jackknife” but it’s ok to spell it “jacknife” to understand the impact of dropping one letter.

David Powell @thedavidpowell 2d

Outlook is down but my ability to search for an old email remains the same.

David Powell @thedavidpowell 5d

There should be an Amazon Prime Plus which delivers your packages when it will least stress you out.

David Powell @thedavidpowell 6d

I just feel like the word anthropomorphize has a really fun personality.