This paper will present the Modern Money Theory approach to government finance. In short, a national government that chooses its own money of account, imposes a tax in that money of account, and issues currency in that money of account cannot face a financial constraint. It can make all payments...

The excess procyclicality of fiscal policy is commonly viewed as a central malaise in emerging economies. We document that procyclicality is more pervasive in countries with higher sovereign risk and provide a model of optimal fiscal policy with nominal rigidities and endogenous sovereign...

For more than 25 years, the Social Security Trust Fund has been projected to run out of money in 2033 (give or take a few years), potentially causing benefits to be severely reduced in the absence of corrective legislative action. Today (February 2024), projections are made by the Social...

Can a negative shock to sovereign ratings invoke a vicious cycle of increasing government bond yields and further downgrades, ultimately pushing a country toward default? The narratives of public and political discussions, as well as of some widely cited papers, suggest this possibility. In this...

In this paper, I study risk-neutral probability densities regarding future Libor rates denominated in British pounds, euros, and US dollars as implied by option prices. I apply Breeden and Litzenberger's (1978) result regarding the relationship between option prices and implied probabilities for...

Die Konsolidierung der Staatsfinanzen nach der gegenwärtigen Finanz- und Wirtschaftskrise wird eines der zentralen wirtschaftspolitischen Themen der nächsten Jahre sein: Die Regelungen zur "Schuldenbremse" sehen für den Bundeshaushalt bis 2016 einen annähernd ausgeglichenen Haushalt vor, und...