We develop a macroeconomic model where the government does not guarantee to repay debt. We ask whether movements in the price of government bonds can be rationalized by lenders' unwillingness to fully roll over debt when the outstanding level of debt exceeds the government's repayment capacity....

Due to the US dollar's dominant role for international trade and finance, risk-free assets denominated in US currency not only offer a pecuniary return, but also provide transactions services, both nationally and internationally. Accordingly, the responses of bilateral US dollar exchange rates...

We study the consequences of non-neutrality of government debt with respect to aggregate demand for short-run macroeconomic stability and for fiscal-monetary policy interactions in an environment where prices are sticky. Assuming either transaction services of government bonds or partial debt...