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Journal Article
The Long-Run Costs of Higher Inflation
This Economic Commentary provides an overview of several frictions and the channels through which they affect economic welfare under elevated trend inflation above 2 percent. These frictions, associated with financial transactions, price and wage stickiness, and cognitive limitations, suggest that inflation imposes significant costs on society. Higher inflation may lead to a steeper Phillips curve, a situation which increases the volatility of inflation and interest rates.
Report
Uncertainty Shocks, Capital Flows, and International Risk Spillovers
Foreign investors’ changing appetite for risk-taking has been shown to be a key determinant of the global financial cycle. Such fluctuations in risk sentiment also correlate with the dynamics of uncovered interest parity (UIP) premia, capital flows, and exchange rates. To understand how these risk sentiment changes transmit across borders, we propose a two-country macroeconomic framework. Our model features cross-border holdings of risky assets by U.S. financial intermediaries that operate under financial frictions and act as global intermediaries in that they take on foreign asset risk. In ...
Working Paper
Why Does Structural Change Accelerate in Recessions? The Credit Reallocation Channel.
The decline of the U.S. manufacturing share since 1960 has occurred disproportionately during recessions. Using evidence from two natural experiments—the collapse of Lehman Brothers in 2008 and U.S. interstate banking deregulation in the 1980s—I document a role for credit reallocation in explaining this phenomenon. Specifically, I show that losing access to credit disproportionately hurt manufacturing firms, and that the creation of new credit disproportionately benefited nonmanufacturing firms. These results arise endogenously from a model with technology-driven structural change and ...
Report
Uncertainty Shocks, Capital Flows, and International Risk Spillovers
Foreign investors’ changing appetite for risk-taking has been shown to be a key determinant of the global financial cycle. Such fluctuations in risk sentiment also correlate with the dynamics of uncovered interest parity (UIP) premia, capital flows, and exchange rates. To understand how these risk sentiment changes transmit across borders, we propose a two-country macroeconomic framework. Our model features cross-border holdings of risky assets by U.S. financial intermediaries that operate under financial frictions and act as global intermediaries in that they take on foreign asset risk. In ...
Working Paper
Bank Incentives and the Effect of the Paycheck Protection Program
We assess the role of banks in the Paycheck Protection Program (PPP), a large and unprecedented small-business support program instituted as a response to the COVID-19 crisis in the United States. In 2020, the PPP administered more than $525 billion in loans and grants to small businesses through the banking system. First, we provide empirical evidence of heterogeneity in the allocation of PPP loans. Firms that were larger and less affected by the COVID-19 crisis received loans earlier, even in a within-bank analysis. Second, we develop a model of PPP allocation through banks that is ...
Working Paper
Commodity Exports, Financial Frictions and International Spillovers
This paper offers a solution to the international co-movement puzzle found in open-economy macroeconomic models. We develop a small open-economy (SOE) dynamic stochastic general equilibrium (DSGE) model describing three endogenous channels that capture spillovers from the world to a commodity exporter: a world commodity price channel, a domestic commodity supply channel and a financial channel. We estimate our model with Bayesian methods on two commodity-exporting SOEs, namely Canada and South Africa. In addition to explaining international business cycle synchronization, the new model ...
Report
Financial frictions, real estate collateral, and small firm activity in Europe
We observe significant heterogeneity in the correlation between changes in house prices and the growth of small firms across certain countries in Europe. We find that, overall, the correlation is far greater in Southern Europe than in Northern Europe. Using a simple model, we show that this heterogeneity may relate to financial frictions in a country. We confirm the model?s propositions in a number of empirical analyses for the following countries in Northern and Southern Europe: the United Kingdom, Norway, France, Italy, Spain, and Portugal. Small firms in countries with higher financial ...
Working Paper
Asset Bubbles and Global Imbalances
We analyze the relationships between bubbles, capital flows, and economic activities in a rational bubble model with two large open economies. We establish a reinforcing relationship between global imbalances and bubbles. Capital flows from South to North facilitate the emergence and the size of bubbles in the North. Bubbles in the North in turn facilitate South-to-North capital flows. The model can simultaneously explain several stylized features of recent bubble episodes.
Working Paper
Applications of Markov Chain Approximation Methods to Optimal Control Problems in Economics
In this paper we explore some of the benefits of using the finite-state Markov chain approximation (MCA) method of Kushner and Dupuis (2001) to solve continuous-time optimal control problems. We first show that the implicit finite-difference scheme of Achdou et al. (2017) amounts to a limiting form of the MCA method for a certain choice of approximating chains and policy function iteration for the resulting system of equations. We then illustrate the benefits of departing from policy function iteration by showing that using variations of modified policy function iteration to solve income ...
Working Paper
The US Banks’ Balance Sheet Transmission Channel of Oil Price Shocks
We document the existence of a quantitative relevant banks' balance-sheet transmission channel of oil price shocks by estimating a dynamic stochastic general equilibrium model with banking and oil sectors. The associated amplification mechanism implies that those shocks explain a non-negligible share of US GDP growth fluctuations, up to 17 percent, instead of 6 percent absent the banking sector. Also, they mitigated the severity of the Great Recession’s trough. GDP growth would have been 2.48 percentage points more negative in 2008Q4 without the beneficial effect of low oil prices. The ...