Yen Dead Star Theory | Gregor.us: 
"...At this point, Japan has become a kind of dead star. It’s industrial economy has collapsed. Virtually no one is employed. The country continues to take in goods, but, produces nothing. The JPY is the strongest currency in the world. It’s become a kind of uber-claim on world goods and services. However, it’s also a claim on the dead star of Japan. Which is to say it’s a claim that no one really wants, or can use. It’s likely that during this period, most of the world has panicked into the Yen, thus reversing the multi-decade short position. Up to this point that trade has been the best trade in the world. And then, it reverses...."