Quote from swoop[TR]:
You are definitely a luminary, no doubt about it. Ever heard of the fisher effect? You must earn the same amount of interest abroad on a risk free asset as you earn at home. Otherwise, you would get what we call arbitrage. Hence, when Buffet buys Euros, he doesn't see an arbitrage opportunity, he just thinks that his principal is going to grow vs dollars. Has nothing to do with interests. If real interest rates go up in Euroland, so does the currency. Why is that do you think?