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Author:Guerrieri, Luca 

Working Paper
Macroeconomic Policy Games

Strategic interactions between policymakers arise whenever each policymaker has distinct objectives. Deviating from full cooperation can result in large welfare losses. To facilitate the study of strategic interactions, we develop a toolbox that characterizes the welfare-maximizing cooperative Ramsey policies under full commitment and open-loop Nash games. Two examples for the use of our toolbox offer some novel results. The first example revisits the case of monetary policy coordination in a two-country model to confirm that our approach replicates well-known results in the literature and ...
Finance and Economics Discussion Series , Paper 2014-87

Working Paper
Did easy money in the dollar bloc fuel the global commodity boom?

Among the various explanations for the runup in oil and commodity prices of recent years, one story focuses on the role of monetary policy in the United States and in developing economies. In this view, developing countries that peg their currencies to the dollar were forced to ease their monetary policies after reductions in U.S. interest rates, leading to economic overheating, excess demand for oil and other commodities, and rising commodity prices. We assess that hypothesis using the Federal Reserve staff?s forward-looking, multicountry, dynamic general equilibrium model, SIGMA. We find ...
International Finance Discussion Papers , Paper 979

Working Paper
Oil efficiency, demand, and prices: a tale of ups and downs

The macroeconomic implications of oil price fluctuations vary according to their sources. Our estimated two-country DSGE model distinguishes between country-specific oil supply shocks, various domestic and foreign activity shocks, and oil efficiency shocks. Changes in foreign oil efficiency, modeled as factor-augmenting technology, were the key driver of fluctuations in oil prices between 1984 and 2008, but have modest effects on U.S. activity. A pickup in foreign activity played an important role in the 2003-2008 oil price runup. Beyond quantifying the responses of oil prices and economic ...
International Finance Discussion Papers , Paper 1031

Working Paper
Banks, sovereign debt and the international transmission of business cycles

This paper studies the international propagation of sovereign debt default. We posit a two-country economy where capital constrained banks grant loans to firms and invest in bonds issued by the domestic and the foreign government. The model economy is calibrated to data from Europe, with the two countries representing the Periphery (Greece, Italy, Portugal and Spain) and the Core, respectively. Large contractionary shocks in the Periphery trigger sovereign default. We find sizable spillover effects of default from Periphery to the Core through a drop in the volume of credit extended by the ...
International Finance Discussion Papers , Paper 1067

Working Paper
Expansionary fiscal shocks and the trade deficit

In this paper, we use an open economy DGE model (SIGMA) to assess the quantitative effects of fiscal shocks on the trade balance in the United States. We examine the effects of two alternative fiscal shocks: a rise in government consumption, and a reduction in the labor income tax rate. Our salient finding is that a fiscal deficit has a relatively small effect on the U.S. trade balance, irrespective of whether the source is a spending increase or tax cut. In our benchmark calibration, we find that a rise in the fiscal deficit of one percentage point of GDP induces the trade balance to ...
International Finance Discussion Papers , Paper 825

Working Paper
Interpreting investment-specific technology shocks

Investment-specific technology (IST) shocks are often interpreted as multi-factor productivity (MFP) shocks in a separate investment-producing sector. However, this interpretation is strictly valid only when some stringent conditions are satisfied. Some of these conditions are at odds with the data. Using a two-sector model whose calibration is based on the U.S. Input-Output Tables, we consider the implications of relaxing several of these conditions. In particular, we show how the effects of IST shocks in a one-sector model differ from those of MFP shocks to an investment-producing sector of ...
International Finance Discussion Papers , Paper 1000

Working Paper
Investment-specific and multifactor productivity in multi-sector open economies: data and analysis

In the last half of the 1990s, labor productivity growth rose in the U.S. and fell almost everywhere in Europe. We document changes in both capital deepening and multifactor productivity (MFP) growth in both the information and communication technology (ICT) and non-ICT sectors. We view MFP growth in the ICT sector as investment-specific productivity (ISP) growth. We perform simulations suggested by the data using a two-country DGE model with traded and nontraded goods. For ISP, we consider level increases and persistent growth rate increases that are symmetric across countries and allow for ...
International Finance Discussion Papers , Paper 828

Working Paper
On the application of automatic differentiation to the likelihood function for dynamic general equilibrium models

A key application of automatic differentiation (AD) is to facilitate numerical optimization problems. Such problems are at the core of many estimation techniques, including maximum likelihood. As one of the first applications of AD in the field of economics, we used Tapenade to construct derivatives for the likelihood function of any linear or linearized general equilibrium model solved under the assumption of rational expectations. We view our main contribution as providing an important check on finite-difference (FD) numerical derivatives. We also construct Monte Carlo experiments to ...
International Finance Discussion Papers , Paper 920

Working Paper
Collateral constraints and macroeconomic asymmetries

A model with collateral constraints displays asymmetric responses to house price changes. When housing wealth is high, collateral constraints become slack, and the response of consumption and hours to shocks that move house prices is positive yet small. When housing wealth is low, collateral constraints become tight, and the response of consumption and hours to house price changes is negative and large. This finding is corroborated using evidence from national, state-level, and MSA-level data. Wealth effects computed in normal times may underestimate the response to large house price ...
International Finance Discussion Papers , Paper 1082

Working Paper
The Elusive Gains from Nationally-Oriented Monetary Policy

The consensus in the recent literature is that the gains from international monetary cooperation are negligible, and so are the costs of a breakdown in cooperation. However, when assessed conditionally on empirically-relevant dynamic developments of the economy, the welfare cost of moving away from regimes of explicit or implicit cooperation may rise to multiple times the cost of economic fluctuations. In economies with incomplete markets, the incentives to act non-cooperatively are driven by the emergence of global imbalances, i.e., large net-foreign-asset positions; and, in economies with ...
International Finance Discussion Papers , Paper 1271

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