We aim to analyze the potential positive or negative effects of public expenditure on economic growth, as well as their determinants. To this goal, we use a simple theoretical model, which has the specificity to distinguish between public investment and consumption expenditure, and which could...

Theory suggests that corporate and sovereign bonds are fundamentally different, also because sovereign debt has no bankruptcy mechanism and is hard to enforce. We show empirically that the two assets are more similar than you think, at least when it comes to high-yield bonds over the past 20...

Theory suggests that corporate and sovereign bonds are fundamentally different, also because sovereign debt has no bankruptcy mechanism and is hard to enforce. We show empirically that the two assets are more similar than you think, at least when it comes to high-yield bonds over the past 20...

We examine the 2025 U.S. debt limit episode through the lens of financial markets. First, we document an increase in trading activity in the U.S. sovereign CDS market, and we infer a probability of default from CDS premiums. We find that default risk reached 1% by the November 6 Presidential...

Political crises often coincide with fiscal crises, with complex causal dynamics at play. We examine the interaction between tax revolts and sovereign risk using a quantitative structural model calibrated to Argentina. In the model, the government can be controlled by political parties with...