Boffin 1: I need a cool name for my blog.
Me: What will you blog on?
Boffin 1: Travel stuff.
Boffin 2: You should have something to do with econometrics.
Me: How about random walk?
Boffin 1: Random walk, yeah, but I think I have a drift.
Boffin 2: Random walk with a drift, yeah I like that.
Boffin 3: That’s too long for a name.
Boffin 2: How about co-integrated.
Me: Is there a co-blogger?
Boffin 1: No, just me.
Boffin 3: So it has to be spurious.
Me: That doesn’t make any sense.
Boffin 1: I like spurious.
Boffin 2: I think random walk with a drift describes me.
Boffin 3: I’m definitely non-stationary.
Me: I think I’m trend stationary.