How to Hedging a Japanese Net

Buffett has stated effectively, ideally, you want a business that engenders more and more growth while requiring less and less capital. How would you go about confirming that with the business in quantitative terms? Well, I mean, what matters is the return on incremental capital. So to me, for American investors going out in the world, be happy that you can own it and not have to worry about hedging if you don't want to.