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Working Paper
A theory of rollover risk, sudden stops, and foreign reserves
Emerging economies, unlike advanced economies, have accumulated large foreign reserve holdings. We argue that this policy is an optimal response to an increase in foreign debt rollover risk. In our model, reserves play a key role in reducing debt rollover crises ("sudden stops"), akin to the role of bank reserves in preventing bank runs. We find that a small, unexpected, and permanent increase in rollover risk accounts for the outburst of sudden stops in the late 1990s, the subsequent increase in foreign reserves holdings, and the salient resilience of emerging economies to sudden stops ...
Report
Real Interest Rates, Inflation, and Default
This paper argues that the comovement between inflation and economic activity is an important determinant of real interest rates over time and across countries. First, we show that for advanced economies, periods with more procyclical inflation are associated with lower real rates, but only when there is no risk of default on government debt. Second, we present a model of nominal sovereign debt with domestic risk-averse lenders. With procyclical inflation, nominal bonds pay out more in bad times, making them a good hedge against aggregate risk. In the absence of default risk, procyclical ...
Working Paper
Granular Income Inequality and Mobility using IDDA: Exploring Patterns across Race and Ethnicity
We explore the evolution of income inequality and mobility in the U.S. for a large number of subnational groups defined by race and ethnicity, using granular statistics describing income distributions, income mobility, and conditional income growth derived from the universe of tax filers and W-2 recipients that we observe over a two-decade period (1998–2019). We find that income inequality and income growth patterns identified from administrative tax records differ in important ways from those that one might identify in public survey sources. The full set of statistics that we construct is ...
Discussion Paper
Foreign Competition and Domestic Jobs : Evidence from the U.S. Trade Adjustment Assistance
Using data on the certified petitions for U.S. Trade Adjustment Assistance, I document that international trade unevenly affects reallocation and employment across U.S. states. Job gains are precisely lower in the places that shed more jobs due to trade. One extra trade-displaced worker is associated with the net employment falling by two extra workers relative to other locations. These unequal outcomes are in part due to the lack of worker mobility across locations.
Working Paper
Trade Reforms, Foreign Competition, and Labor Market Adjustments in the U.S.
Using data on trade-induced displacements, this paper documents that locations facing more foreign competition in the U.S. have: higher job destruction rates, lower job creation rates, and thereby lower employment rates. In contrast to standard trade theory, a model with variable markups and heterogeneous segmented labor markets is consistent with these facts. Foreign competition has a correlated effect on job destruction and job creation precisely because the most vulnerable locations also have lower productivity. Following an unexpected trade liberalization with limited mobility, employment ...
Working Paper
Outsourcing Policy and Worker Outcomes: Causal Evidence from a Mexican Ban
A weakening of labor protection policies is often invoked as one cause of observed monopsony power and the decline in labor’s share of income, but little evidence exists on the causal impact of labor policies on wage markdowns. Using confidential Mexican economic census data from 1994 to 2019, we document a rising trend over this period in on-site outsourcing. Then, leveraging data from a manufacturing panel survey from 2013 to 2023 and a natural experiment featuring a ban on domestic outsourcing in 2021, we show that the ban drastically reduced outsourcing, increased wages, and reduced ...
Working Paper
On the U.S. Firm and Establishment Size Distributions
This paper revisits the empirical evidence on the nature of firm and establishment size distributions in the United States using the Longitudinal Business Database (LBD), a confidential Census Bureau panel of all non-farm private firms and establishments with at least one employee. We establish five stylized facts that are relevant for the extent of granularity and the nature of growth in the U.S. economy: (1) with an estimated shape parameter significantly below 1, the best-fitting Pareto distribution substantially differs from Zipf's law for both firms and establishments; (2) a lognormal ...
Working Paper
Inflation, Debt, and Default
We study how the co-movement of inflation and economic activity affects real interest rates and the likelihood of debt crises. First, we show that for advanced economies, periods with procyclical inflation are associated with lower real interest rates. Procyclical inflation implies that nominal bonds pay out more in bad times, making them a good hedge against aggregate risk. However, such procyclicality also increases sovereign default risk when the economy deteriorates, since the government needs to make larger (real) payments. In order to evaluate both effects, we develop a model of ...
Working Paper
Economic Diversity and the Resilience of Cities
We show how local worker flow adjustment margins yield a theory-consistent sufficient statistic approximating the welfare effects of local shocks. Furthermore, we isolate a city’s insurance value as this approximation’s second-order term. Leveraging rich labor flows data across occupations, industries, and cities in France, we estimate spatial and non-spatial flows responses to local labor demand shocks. Less economically diverse French cities experience deeper contractions in gross outflows following negative shocks. In contrast, more economic concentration begets a modestly larger ...