IN or ON the long run?

[Avalon]

I usually say IN the long run, but a friend of mine says ON the long run and both can be found on google, IN having a bigger number of hits though...any difference between these two? Would this difference perhaps be between American and British English?

[Barb_D]

As an American, I would use only "in" for this expression.

In the long run, ...

[Rover_KE]

As an American, I would use only "in" for this expression.

In the long run, ...

And as an Englishman, so would I.

I have never heard on the long run.

Rover

[Tdol]

I use in (BrE speaker) and can't say that I remember hearing on used by speakers of any variant. A quickk look at Google results suggests that the examples with on are using iit in a different way like A technical note on the long run U.S. gasoline - crude oil price relationship, where it is a note on...