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Author:Fernández-Villaverde, Jesús 

Working Paper
A Model of the Gold Standard

The gold standard emerged as the international monetary system by the end of the 19th century. We formally study its properties in a micro-founded model and find that the scarcity of the world gold stock not only results in a suboptimal output of goods that are purchased with money but also subjects the domestic economy of a country to external shocks. The creation of inside money in the form of private credit instruments adds to the money supply, usually resulting in a Pareto improvement, but opens the door to the international transmission of banking crises. These properties of the gold ...
Working Papers , Paper 22-33

Working Paper
Fiscal volatility shocks and economic activity

The authors study the effects of changes in uncertainty about future fiscal policy on aggregate economic activity. Fiscal deficits and public debt have risen sharply in the wake of the financial crisis. While these developments make fiscal consolidation inevitable, there is considerable uncertainty about the policy mix and timing of such budgetary adjustment. To evaluate the consequences of this increased uncertainty, the authors first estimate tax and spending processes for the U.S. that allow for time-varying volatility. They then feed these processes into an otherwise standard New ...
Working Papers , Paper 11-32

Working Paper
Computing DSGE models with recursive preferences and stochastic volatility

This paper compares different solution methods for computing the equilibrium of dynamic stochastic general equilibrium (DSGE) models with recursive preferences such as those in Epstein and Zin (1989 and 1991) and stochastic volatility. Models with these two features have recently become popular, but we know little about the best ways to implement them numerically. To fill this gap, we solve the stochastic neoclassical growth model with recursive preferences and stochastic volatility using four different approaches: second- and third-order perturbation, Chebyshev polynomials, and value ...
Finance and Economics Discussion Series , Paper 2012-04

Working Paper
Nonlinear adventures at the zero lower bound

Motivated by the recent experience of the U.S. and the Eurozone, the authors describe the quantitative properties of a New Keynesian model with a zero lower bound (ZLB) on nominal interest rates, explicitly accounting for the nonlinearities that the bound brings. Besides showing how such a model can be efficiently computed, the authors found that the behavior of the economy is substantially affected by the presence of the ZLB. In particular, the authors document 1) the unconditional and conditional probabilities of hitting the ZLB; 2) the unconditional and conditional probabilty distributions ...
Working Papers , Paper 12-10

Working Paper
Supply-side policies and the zero lower bound

This paper examines how supply-side policies may play a role in fighting a low aggregate demand that traps an economy at the zero lower bound (ZLB) of nominal interest rates. Future increases in productivity or reductions in mark-ups triggered by supply-side policies generate a wealth effect that pulls current consumption and output up. Since the economy is at the ZLB, increases in the interest rates do not undo this wealth effect, as we will have in the case outside the ZLB. The authors illustrate this mechanism with a simple two-period New Keynesian model. They discuss possible objections ...
Working Papers , Paper 11-47

Working Paper
Convergence properties of the likelihood of computed dynamic models

This paper studies the econometrics of computed dynamic models. Since these models generally lack a closed-form solution, economists approximate the policy functions of the agents in the model with numerical methods. But this implies that, instead of the exact likelihood function, the researcher can evaluate only an approximated likelihood associated with the approximated policy function. What are the consequences for inference of the use of approximated likelihoods? First, we show that as the approximated policy function converges to the exact policy, the approximated likelihood also ...
FRB Atlanta Working Paper , Paper 2004-27

Working Paper
International Currency Dominance

We present a micro-founded monetary model of the world economy to study international currency competition. Our model features both “unipolar” equilibria, with a single dominant international currency, and “multipolar” equilibria, in which multiple currencies circulate internationally. Governments can compete to internationalize their currencies by offering attractive interest rates on their sovereign debt. A large economy has a natural advantage in ensuring its currency becomes dominant, but if it lacks the fiscal capacity to absorb the global demand for liquid assets, the multipolar ...
Working Papers , Paper 25-20

Working Paper
Search Complementarities, Aggregate Fluctuations, and Fiscal Policy

We develop a quantitative business cycle model with search complementarities in the inter-firm matching process that entails a multiplicity of equilibria. An active equilibrium with strong joint venture formation, large output, and low unemployment coexists with a passive equilibrium with low joint venture formation, low output, and high unemployment. {{p}} Changes in fundamentals move the system between the two equilibria, generating large and persistent business cycle fluctuations. The volatility of shocks is important for the selection and duration of each equilibrium. Sufficiently adverse ...
FRB Atlanta Working Paper , Paper 2019-9

Working Paper
Comparing solution methods for dynamic equilibrium economies

This paper compares solution methods for dynamic equilibrium economies. The authors compute and simulate the stochastic neoclassical growth model with leisure choice using Undetermined Coefficients in levels and in logs, Finite Elements, Chebyshev Polynomials, Second and Fifth Order Perturbations and Value Function Iteration for several calibrations. The authors document the performance of the methods in terms of computing time, implementation complexity and accuracy and they present some conclusions about their preferred approaches based on the reported evidence.
FRB Atlanta Working Paper , Paper 2003-27

Working Paper
Can currency competition work?

Can competition work among privately issued fiat currencies such as Bitcoin or Ethereum? Only sometimes. To show this, we build a model of competition among privately issued fiat currencies. We modify the current workhorse of monetary economics, the Lagos-Wright environment, by including entrepreneurs who can issue their own fiat currencies in order to maximize their utility. Otherwise, the model is standard. We show that there exists an equilibrium in which price stability is consistent with competing private monies but also that there exists a continuum of equilibrium trajectories with the ...
Working Papers , Paper 16-12

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