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Jel Classification:E10 

Working Paper
Bubbly Recessions

We develop a tractable rational bubbles model with financial frictions, downward nominal wage rigidity, and the zero lower bound. The interaction of financial frictions and nominal rigidities leads to a "bubbly pecuniary externality," where competitive speculation in risky bubbly assets can result in excessive investment booms that precede inefficient busts. The collapse of a large bubble can push the economy into a "secular stagnation" equilibrium, where the zero lower bound and the nominal wage rigidity constraint bind, leading to a persistent and inefficient recession. We evaluate a ...
Working Paper , Paper 18-5

Working Paper
Trade Costs and Inflation Dynamics

We explore how shocks to trade costs affect inflation dynamics in the global economy. We exploit bilateral trade flows of final and intermediate goods together with the structure of static trade models that deliver gravity equations to identify exogenous changes in trade costs between countries. We then use a local projections approach to assess the effects of trade cost shocks on consumer price (CPI) inflation. Higher trade costs of final goods lead to large but short-lived increases in inflation, while increases in trade costs of intermediate goods generate small but persistent increases in ...
Working Papers , Paper 2508

Report
Behavior and the Transmission of COVID-19

We show that a simple model of COVID-19 that incorporates feedback from disease prevalence to disease transmission through an endogenous response of human behavior does a remarkable job fitting the main features of the data on the growth rates of daily deaths observed across a large number countries and states of the United States from March to November of 2020. This finding, however, suggests a new empirical puzzle. Using an accounting procedure akin to that used for Business Cycle Accounting as in Chari et al. (2007), we show that when the parameters of the behavioral response of ...
Staff Report , Paper 618

Journal Article
The U.S. flow of funds accounts and their uses

The U.S. flow of funds accounts compiled by the Board of Governors provide a broadly consistent set of time-series data for tracking funds as they move from economic sectors that serve as sources of capital to sectors that use the capital to acquire physical and financial assets. They present a wide range of data organized by financial instrument and by sector. With statistics extending back more than a half a century, the accounts document financial developments, provide means for studying macroeconomic behavior, and are used for policy purposes. This article briefly describes the accounts ...
Federal Reserve Bulletin , Volume 87 , Issue Jul

Working Paper
Social Distancing and Supply Disruptions in a Pandemic

Drastic public health measures such as social distancing or lockdowns can reduce the loss of human life by keeping the number of infected individuals from exceeding the capacity of the health care system but are often criticized because of the social and the economic cost they entail. We question this view by combining an epidemiological model, calibrated to capture the spread of the COVID-19 virus, with a multisector model, designed to capture key characteristics of the U.S. Input Output Tables. Our two-sector model features a core sector that produces intermediate inputs not easily replaced ...
Finance and Economics Discussion Series , Paper 2020-031

Working Paper
Trade Risk and Food Security

We study the role of international trade risk for food security, the patterns of production and trade across sectors, and its implications for policy. We document that food import dependence across countries is associated with higher food insecurity, particularly in low-income countries. We provide causal evidence on the role of trade risk for food security by exploiting the exogeneity of the Ukraine-Russia war as a major trade disruption limiting access to imports of critical food products. Using micro-level data from Ethiopia, we empirically show that districts relatively more exposed to ...
Working Papers , Paper 2024-004

Report
A Parsimonious Behavioral SEIR Model of the 2020 COVID Epidemic in the United States and the United Kingdom

I present a behavioral epidemiological model of the evolution of the COVID epidemic in the United States and the United Kingdom over the past 12 months. The model includes the introduction of a new, more contagious variant in the UK in early fall and the US in mid December. The model is behavioral in that activity, and thus transmission, responds endogenously to the daily death rate. I show that with only seasonal variation in the transmission rate and pandemic fatigue modeled as a one-time reduction in the semi-elasticity of the transmission rate to the daily death rate late in the year, the ...
Staff Report , Paper 619

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