On: One-quarter of Uber's business happens in just fiv...

[hackcasual]

Sure, and if any of those cities all the sudden decided to no longer produce domestic product, that would be a big risk to the US.

[imgabe → hackcasual]

The GDP is a measure of all economic activity. I'd say there's a far greater risk that NYC might outlaw ride-sharing specifically, rather than, you know, suddenly decide to stop engaging in commerce altogether.

[jetrink → imgabe]

That is exactly his point.

[fgonzag → imgabe]

I think he's trying to state how unlikely that scenario is (compared to how relatively easy it is to ban Uber)

[thanatropism → hackcasual]

He's saying: this is why Uber city-ridership as a Zipf law with alpha = X: the economy has a Zipf law with alpha = X.

You're saying: this value of alpha presents a concentration of risk for Uber. Yes, you're both saying things that aren't false.