But if the BuBa decides to sell .4bn tomorrow to depress interest rates, as part of monetary policy, then the federal debt increases by 0.4bn?

This makes no sense, especially when the BuBa lectures the federal government on the need to keep the amount of debt outstanding under control.

To err is of course human. But to mess things up spectacularly, we need an elite — Yanis Varoufakis