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Mobility and Congestion in Urban India

By Prottoy Akbar, Victor Couture, Gilles Duranton, and Adam Storeygard

American Economic Review, April 2023

We develop a methodology to estimate robust city-level vehicular speed indices, exactly decomposable into uncongested speed and congestion. We apply it to 180 Indian cities using 57 million simulated trips measured by a web mapping service. We verify the ...

Globalization and Pandemics

By Pol Antràs, Stephen J. Redding, and Esteban Rossi-Hansberg

American Economic Review, April 2023

We provide theory and evidence on the relationship between globalization and pandemics. Business travel facilitates trade and travel leads to human interactions that transmit disease. Trade-motivated travel generates an epidemiological externality across ...

Why Do Households Leave School Value Added on the Table? The Roles of Information and Preferences

By Robert Ainsworth, Rajeev Dehejia, Cristian Pop-Eleches, and Miguel Urquiola

American Economic Review, April 2023

Romanian households could choose schools with one standard deviation worth of additional value added. Why do households leave value added "on the table"? We study two possibilities: (i) information and (ii) preferences for other school traits. In an exper...

Grounded by Gravity: A Well-Behaved Trade Model with Industry-Level Economies of Scale

By Konstantin Kucheryavyy, Gary Lyn, and Andrés Rodríguez-Clare

American Economic Journal: Macroeconomics, April 2023

We propose a model to study the role of industry-level external economies of scale in open economies. If the elasticity governing the strength of external economies is below the inverse of the trade elasticity in each industry, then specialization under f...

The Effect of Population Aging on Economic Growth, the Labor Force, and Productivity

By Nicole Maestas, Kathleen J. Mullen, and David Powell

American Economic Journal: Macroeconomics, April 2023

Population aging is expected to slow US economic growth. We use variation in the predetermined component of population aging across states to estimate the impact of aging on growth in GDP per capita for 1980–2010. We find that each 10 percent increase i...

Persistent Monetary Non-neutrality in an Estimated Menu Cost Model with Partially Costly Information

By Marco Bonomo, Carlos Carvalho, René Garcia, Vivian Malta, and Rodolfo Rigato

American Economic Journal: Macroeconomics, April 2023

We propose a model that reconciles microeconomic evidence of frequent and large price changes with sizable monetary non-neutrality. Firms incur separate lump-sum costs to change prices and to gather and process some information about marginal costs. Addit...

The Response of Consumer Spending to Changes in Gasoline Prices

By Michael Gelman, Yuriy Gorodnichenko, Shachar Kariv, Dmitri Koustas, Matthew D. Shapiro, Dan Silverman, and Steven Tadelis

American Economic Journal: Macroeconomics, April 2023

This paper estimates how overall consumer spending responds to changes in gasoline prices. It uses the differential impact across consumers of the sharp drop in gasoline prices in 2014 for identification. This estimation strategy is implemented using comp...