This article formalizes investor rationality and irrationality, exuberance and apprehension, to consider the implications of belief formation for the fragility of an economy's financial structure. The model presented generates a financial structure with portfolio linkages that make it...

In many countries, government-budget surpluses have led to a decline in the amount of federal government debt outstanding. This paper considers the consequences of this development for a central bank that conducts monetary policy through open market operations in treasury debt. A model is...

This paper considers the implications for monetary policy of a decreasing demand for outside money. It finds that even perpetual declines in the demand for base money pose no threat to the traditional methods employed for conducting monetary policy. The effects of such reductions in the demand...

This article presents a monetary growth model in which spatial separation and limited communication create a role for banks. Monetary policy interacts with the financial system's liquidity provision to affect the existence, multiplicity, and dynamical properties of equilibria. Moderate levels of...

This paper considers whether eliminating the stock of government debt outstanding would reduce welfare. It models an economy with three assets—currency, government bonds, and storage, a transactions role for money, and a demand for liquidity and thus a role for banks. The Friedman rule is not...

This paper presents a dynamic, stochastic game-theoretic model of financial fragility. The model has two essential features. First, interrelated portfolios and payment commitments forge financial linkages among agents. Second, iid shocks to investment projects’ operations at a single date...