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Author:Azariadis, Costas 

Journal Article
Credit Cycles and Business Cycles

Unsecured firm credit moves procyclically in the United States and tends to lead gross domestic product, while secured firm credit is acyclical. Shocks to unsecured firm credit explain a far larger fraction of output fluctuations than shocks to secured credit. This article surveys a tractable dynamic general equilibrium model in which constraints on unsecured firm credit preclude an efficient capital allocation among heterogeneous firms. Unsecured credit rests on the value that borrowers attach to a good credit reputation, which is a forward-looking variable. Self-fulfilling beliefs over ...
Review , Volume 100 , Issue 1

The optimal inflation target in an economy with limited enforcement

Presented at New Perspectives on Monetary Policy Design. Sponsored by the Bank of Canada and the Centre De Recerca en Economia Internacional. Barcelona, Spain.
Speech , Paper 167

Working Paper
The optimal inflation target in an economy with limited enforcement

We formulate the central bank's problem of selecting an optimal long-run inflation rate as the choice of a distorting tax by a planner who wishes to maximize discounted utility for a heterogeneous population of infinitely-lived households in an economy with constant aggregate income. Households are divided into cash agents, who store value in currency alone, and credit agents who have access to both currency and loans. The planner's problem is equivalent to choosing inflation and nominal rates consistent with a resource constraint along with an incentive constraint that ensures credit agents ...
Working Papers , Paper 2007-037

Journal Article
Discretion, rules and volatility

Review , Volume 78 , Issue May , Pages 65-74

Working Paper
Private and public circulating liabilities

Changes in the legal and technological environment in the U.S. have created the possibility of private banknote issue, or its electronic equivalent. We wish to understand the implications of this possibility for economic performance. Accordingly, we construct and analyze a dynamic general equilibrium model in which privately-issued liabilities may circulate, either by themselves, or alongside a stock of outside money. In each case we provide results on the existence and multiplicity of equilibria, and we characterize local dynamics in a neighborhood of a steady state. Our results support ...
Working Papers , Paper 2000-012

The optimal inflation target in an economy with limited enforcement

Presented at Indiana University.
Speech , Paper 166

Working Paper
Capital misallocation and aggregate factor productivity

We propose a sectoral?shift theory of aggregate factor productivity for a class of economies with AK technologies, limited loan enforcement, a constant production possibilities frontier, and finitely many sectors producing the same good. Both the growth rate and total factor productivity in these economies respond to random and persistent endogenous fluctuations in the sectoral distribution of physical capital which, in turn, responds to persistent and reversible exogenous shifts in relative sector productivities. Surplus capital from less productive sectors is lent to more productive ones in ...
Working Papers , Paper 2009-028

Conference Paper
Discretion, rules and volatility

Proceedings , Volume 78 , Issue May , Pages 65-74

Journal Article
Monetary policy as equilibrium selection

Can monetary policy guide expectations toward desirable outcomes when equilibrium and welfare are sensitive to alternative, commonly held rational beliefs? This paper studies this question in an exchange economy with endogenous debt limits in which dynamic complementarities between dated debt limits support two Pareto-ranked steady states: a suboptimal, locally stable autarkic state and a constrained optimal, locally unstable trading state. The authors identify feedback policies that reverse the stability properties of the two steady states and ensure rapid convergence to the constrained ...
Review , Volume 89 , Issue Jul , Pages 331-342

Working Paper
Endogenous credit limits with small default costs

We analyze an exchange economy of unsecured credit where borrowers have the option to declare bankruptcy in which case they are temporarily excluded from financial markets. Endogenous credit limits are imposed that are just tight enough to prevent default. Economies with temporary exclusion differ from their permanent exclusion counterparts in two important properties. If households are extremely patient, then the first?best allocation is an equilibrium in the latter economies but not necessarily in the former. In addition, temporary exclusion permits multiple stationary equilibria, with both ...
Working Papers , Paper 2012-048



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