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Working Paper
The International Spillovers of Synchronous Monetary Tightening
We use historical data and a calibrated model of the world economy to study how a synchronous monetary tightening can amplify cross-border transmission of monetary policy. The empirical analysis shows that historical episodes of synchronous tightening are associated with tighter financial conditions and larger effects on economic activity than asynchronous ones. In the model, a sufficiently large synchronous tightening can disrupt intermediation of credit by global financial intermediaries causing large output losses and an increase in sacrifice ratios, that is, output lost for a given ...
Discussion Paper
Lessons from the Co-movement of Inflation around the World
The aftermath of the COVID-19 pandemic saw a surge in inflation around the world, reflecting rapid increases in the demand for goods, strained supply chains, tight labor markets, and sharp hikes in commodity prices exacerbated by the Russian war on Ukraine. As illustrated in figure 1, this inflation surge was synchronized across advanced and emerging economies, not only for total inflation but also for its core component.
Working Paper
Measuring Geopolitical Risk
We present a news-based measure of adverse geopolitical events and associated risks. The geopolitical risk (GPR) index spikes around the two world wars, at the beginning of the Korean War, during the Cuban Missile Crisis, and after 9/11. Higher geopolitical risk foreshadows lower investment and employment and is associated with higher disaster probability and larger downside risks. The adverse consequences of the GPR index are driven by both the threat and the realization of adverse geopolitical events. We complement our aggregate measures with industry- and firm-level indicators of ...
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 ...
Working Paper
The Economic Effects of Trade Policy Uncertainty
We study the effects of unexpected changes in trade policy uncertainty (TPU) on the U.S. economy. We construct three measures of TPU based on newspaper coverage, firms' earnings conference calls, and aggregate data on tari rates. We document that increases in TPU reduce investment and activity using both firm-level and aggregate macroeconomic data. We interpret the empirical results through the lens of a two-country general equilibrium model with nominal rigidities and firms' export participation decisions. In the model as in the data, news and increased uncertainty about higher future ...
Working Paper
Oil Prices and Consumption across Countries and U.S. States
We study the effects of oil prices on consumption across countries and U.S. states, by exploiting the time-series and cross-sectional variation in oil dependency of these economies. We build two large datasets: one with 55 countries over the years 1975-2018, and another with all U.S. states over the period 1989-2018. We then show that oil price declines generate positive effects on consumption in oil-importing economies, while depressing consumption in oil-exporting economies. We also document that oil price increases do more harm than the good afforded by oil price decreases both in the ...
Working Paper
Housing and debt over the life cycle and over the business cycle
We study housing and debt in a quantitative general equilibrium model. In the cross-section, the model matches the wealth distribution, the age pro.les of homeownership and mortgage debt, and the frequency of housing adjustment. In the time-series, the model matches the procyclicality and volatility of housing investment, and the procyclicality of mortgage debt. We use the model to conduct two experiments. First, we investigate the consequences of higher individual income risk and lower downpayments, and .nd that these two changes can explain, in the model and in the data, the reduced ...
Working Paper
Oil Price Elasticities and Oil Price Fluctuations
We study the identification of oil shocks in a structural vector autoregressive (SVAR) model of the oil market. First, we show that the cross-equation restrictions of a SVAR impose a nonlinear relation between the short-run price elasticities of oil supply and oil demand. This relation implies that seemingly plausible restrictions on oil supply elasticity may map into implausible values of the oil demand elasticity, and vice versa. Second, we propose an identification scheme that restricts these elasticities by minimizing the distance between the elasticities allowed by the SVAR and target ...