econtwitter.net is one of the many independent Mastodon servers you can use to participate in the fediverse.
A Mastodon instance for Economists.

Administered by:

Server stats:

217
active users

Replied in thread

@NicVdSijpe The Fulton fish is a great application indeed! Typically, though, I give them data (and talk about the supply and the demand for ice-cream, last year rainfall (cows & milk), current temperature, etc). Then I move to Quarter of Birth in the spirit of "From Supply and Demand to Natural Experiments" 😀