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Author:Andolfatto, David 

Working Paper
Optimal disclosure policy and undue diligence

While both public and private financial agencies supply asset markets with large amounts of information, they do not generally disclose all asset-related information to the general public. This observation leads us to ask what principles might govern the optimal disclosure policy for an asset manager or financial regulator. To investigate this question, we study the properties of a dynamic economy endowed with a risky asset, and with individuals that lack commitment. Information relating to future asset returns is available to society at zero cost. Legislation dictates whether this ...
Working Papers , Paper 2012-001

Discussion Paper
Monetary policy regimes and beliefs

Recent monetary history has been characterized by monetary authorities that appear to shift periodically between distinct policy regimes associated with higher or lower average rates of money creation. As policy regimes are not directly observable and as the rate of monetary expansion varies for reasons other than regime changes, the general public must form beliefs over current monetary policy based on historical realizations of money growth rates. Depending on the parameters governing the behaviour of monetary policy, beliefs (and therefore inflation forecasts) may evolve very slowly in ...
Discussion Paper / Institute for Empirical Macroeconomics , Paper 118

Working Paper
Rehypothecation and Liquidity

We develop a dynamic general equilibrium monetary model where a shortage of collateral and incomplete markets motivate the formation of credit relationships and the rehypothecation of assets. Rehypothecation improves resource allocation because it permits liquidity to flow where it is most needed. The liquidity benefits associated with rehypothecation are shown to be more important in high-inflation (high interest rate) regimes. Regulations restricting the practice are shown to have very different consequences depending on how they are designed. Assigning collateral to segregated accounts, as ...
Working Papers , Paper 2015-3

Working Paper
Maturity Structure and Liquidity Risk

This paper studies the optimal maturity structure for government debt when markets for liquidity insurance are incomplete or non-competitive. There is no fiscal risk. Government debt in the model solves a dynamic inefficiency. Issuing debt in short and long maturities solves a liquidity insurance problem, but optimal yield curve policy is only possible if long-duration debt is rendered illiquid. Optimal policy is implementable through treasury operations only--adjustments in the primary deficit are not necessary.
Working Papers , Paper 2020-008

Working Paper
Shadow Bank Runs

Short-term debt is commonly used to fund illiquid assets. A conventional view asserts that such arrangements are run-prone in part because redemptions must be processed on a first-come, first-served basis. This sequential service protocol, however, appears absent in the wholesale banking sector---and yet, shadow banks appear vulnerable to runs. We explain how banking arrangements that fund fixed-cost operations using short-term debt can be run-prone even in the absence of sequential service. Interventions designed to eliminate run risk may or may not improve depositor welfare. We describe how ...
Working Papers , Paper 2020-012

Working Paper
The simple analytics of money and credit in a quasi-linear environment

Lagos and Wright (2005) demonstrate how the essential properties of a money-search model are preserved in an environment that is rendered highly tractable with the use of quasi-linear preferences. In this paper, I show that this same innovation can be applied to closely related environments used elsewhere in the literature that study insurance and credit markets under limited commitment and private information. The analysis demonstrates clearly how insurance, credit, and money are interrelated in terms of their basic functions. The analysis also leads to a heretofore neglected result ...
Working Papers , Paper 2011-038

Working Paper
On the social cost of transparency in monetary economies

I study a class of models commonly used to motivate monetary exchange, extended to include a physical asset whose expected short-run return is subject to exogenous news events, but whose expected long-run return is independent of this information. I show that there are circumstances in which the nondisclosure of news by an asset manager is welfare-improving. When nondisclosure is infeasible, the framework admits a role for government debt. The theory is used to interpret the nondisclosure practices of reputable financial agencies and suggests caveats for legislation designed to promote ...
Working Papers , Paper 2010-001

Working Paper
Preventing bank runs

Diamond and Dybvig (1983) is commonly understood as providing a formal rationale for the existence of bank-run equilibria. It has never been clear, however, whether bank-run equilibria in this framework are a natural byproduct of the economic environment or an artifact of suboptimal contractual arrangements. In the class of direct mechanisms, Peck and Shell (2003) demonstrate that bank-run equilibria can exist under an optimal contractual arrangement. The difficulty of preventing runs within this class of mechanism is that banks cannot identify whether withdrawals are being driven by ...
Working Papers , Paper 2014-21

Working Paper
Bank runs without sequential service

Banking models in the tradition of Diamond and Dybvig (1983) rely on sequential service to explain belief driven runs. But the run-like phenomena witnessed during the financial crisis of 2007-08 occurred in the wholesale shadow banking sector where sequential service is largely absent. This suggests that something other than sequential service is needed to help explain runs. We show that in the absence of sequential service runs can easily occur whenever bank-funded investments are subject to increasing returns to scale consistent with available evidence. Our framework is used to understand ...
Working Papers , Paper 2018-16

Working Paper
Monetary Policy and Liquid Government Debt

We examine the conduct of monetary policy in a world where the supply of outside money is controlled by the fiscal authority-a scenario increasingly relevant for many developed economies today. Central bank control over the long-run inflation rate depends on whether fiscal policy is Ricardian or Non-Ricardian. The optimal monetary policy follows a generalized Friedman rule that eliminates the liquidity premium on scarce treasury debt. We derive conditions for determinacy under both fiscal regimes and show that they do not necessarily correspond to the Taylor principle. In addition, ...
Working Papers , Paper 2018-2

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