Just the physical interpretations will be very different, but for a mathematician these are two line integrals that you set up and compute in pretty much the same way.

And I think this explains, at least in part, why middle-class Americans think very differently about money than do today's middle-class Russians.

Andreessen and Horowitz's position was so counter to the prevailing wisdom that they felt the need to write a blog post in 2010 explaining their logic again.