The US government is the dominant supplier of global safe assets and faces a downward-sloping demand for its debt. In this paper, we ask if the US exercises its market power when issuing debt and study its macroeconomic consequences. We develop a model of the global economy in which US public...

By preemptive austerity, we mean a policy that increases taxes to deter potential rollover crises. The policy is so successful that the usual danger signal of a rollover crisis, a high yield on new bonds sold, does not show up because the policy eliminates the danger. Mechanically, high taxes...