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Venting Out: Exports during a Domestic Slump

By Miguel Almunia, Pol Antràs, David Lopez-Rodriguez, and Eduardo Morales

American Economic Review, November 2021

We study the relationship between domestic-demand shocks and exports using data for Spanish manufacturing firms in 2002–2013. Exploiting plausibly exogenous geographical variation caused by the Great Recession, we find that firms whose domestic sales de...

The Causal Interpretation of Two-Stage Least Squares with Multiple Instrumental Variables

By Magne Mogstad, Alexander Torgovitsky, and Christopher R. Walters

American Economic Review, November 2021

Empirical researchers often combine multiple instrumental variables (IVs) for a single treatment using two-stage least squares (2SLS). When treatment effects are heterogeneous, a common justification for including multiple IVs is that the 2SLS estimand ...

Naïve Learning with Uninformed Agents

By Abhijit Banerjee, Emily Breza, Arun G. Chandrasekhar, and Markus Mobius

American Economic Review, November 2021

The DeGroot model has emerged as a credible alternative to the standard Bayesian model for studying learning on networks, offering a natural way to model naïve learning in a complex setting. One unattractive aspect of this model is the assumption that ...

Constrained Pseudo-Market Equilibrium

By Federico Echenique, Antonio Miralles, and Jun Zhang

American Economic Review, November 2021

We propose a pseudo-market solution to resource allocation problems subject to constraints. Our treatment of constraints is general: including bihierarchical constraints due to considerations of diversity in school choice, or scheduling in course allocati...

The Effects of DNA Databases on the Deterrence and Detection of Offenders

By Anne Sofie Tegner Anker, Jennifer L. Doleac, and Rasmus Landersø

American Economic Journal: Applied Economics, October 2021

This paper studies the effects of adding criminal offenders to a DNA database. Using a large expansion of Denmark's DNA database, we find that DNA registration reduces recidivism within the following year by up to 42 percent. It also increases the probabi...