We develop a theory of optimal government debt in which publicly-issued and privately-issued safe assets are substitutes. While government bonds are backed by future tax revenues, privately-issued safe assets are backed by the future repayment of pools of defaultable private loans. We find that...

We study how the structure of social media networks and the presence of fake news might affect the degree of misinformation and polarization in a society. For that, we analyze a dynamic model of opinion exchange in which individuals have imperfect information about the true state of the world...

During the last three decades government debt has increased in most developed countries. During the same period we have also observed a significant liberalization of international financial markets. We propose a multi-country model with incomplete markets and show that governments may choose...

Four stylized facts motivate this paper: (i) business cycle movements are wider in emerging countries (EC) than in developed ones; (ii) EC experience greater economic policy uncertainty; (iii) EC are more polarized and less politically stable; and (iv) EPU is positively related to political...

This paper studies the effects of asymmetries in re-election probabilities across parties on public policy and their subsequent propagation to the economy. The struggle between groups that disagree on targeted public spending (e.g., pork) results in governments being endogenously short-sighted:...