This paper studies bank runs in a model with coexistence of fiat money and private money. When fiat money is the only medium of exchange, there exist a bank run equilibrium and an equilibrium that achieves the optimal risk sharing. In contrast, when private money is also a medium of exchange,...

This paper presents an integrated theory of money and banking. I address the following question: when both individuals and banks have private information, what is the optimal way to settle debts? I develop a dynamic model with micro-founded roles for banks and a medium of exchange. I establish...

We examine banking competition when deposit or loan contracts contingent on macroeconomic shocks become feasible. We show that the risk allocation is efficient, provided that banks are not bailed out. In this case, banks may shift part of the risk to depositors. The private sector insures the...

We examine banking competition when deposit or loan contracts contingent on macroeconomic shocks become feasible. We show that the risk allocation is efficient, provided that banks are not bailed out. In this case, banks may shift part of the risk to depositors. The private sector insures the...

This paper arms central bank policy makers with ways to think about interactions between financial stability and monetary policy. We frame the issue of whether to integrate financial stability into monetary policy operating rules by appealing to the observation that in actual economies financial...

Directly subsidizing bank deposits increases franchise value and promotes prudent lending. Subsidization can be made budget-neutral for the regulator by requiring banks to make upfront payments equal to the capitalized value of future subsidies they stand to receive. While compensating the...

This paper develops a micro-founded general equilibrium model of the financial system composed of ultimate borrowers, ultimate lenders and financial intermediaries. The model is used to investigate the impact of uncertainty about the likelihood of governmental bailouts on leverage, interest...

This paper develops a theoretical model of trading in the federal funds market that captures characteristics of discount window borrowing and the federal funds market during the first year of the financial crisis, including the narrowing of the spread between the discount rate and the target...

Gone are the days when inflation fears had receded under years of 'Great Moderation' in macroeconomics. The US subprime financial crisis, the ensuing 'Great Recession' and the sovereign debt scares that spread throughout much of the industrialized world brought about a new order characterized by...

Now that Congress has passed the Dodd-Frank Wall Street Reform and Consumer Protection Act, regulators promulgating the rules under this new bill must tackle a major problem that the reform bill addresses only indirectly. This is the problem of excessive “leverage” – financing with too...