We present a micro-founded monetary model of the world economy to study international currency competition. Our model features "unipolar" equilibria, with a single dominant international currency, and "multipolar" equilibria, in which multiple currencies circulate internationally. Long-run...

Using longitudinal data from the Gallup Panel covering more than 30,000 U.S. employees surveyed from 2023 to 2025, I document heterogeneous adoption of generative AI and its "organizational transmission" within firms. First, I show that the share of active (occasional) AI users grew from 9% to...

Using longitudinal data from the Gallup Panel covering more than 30,000 U.S. employees surveyed from 2023 to 2025, I document heterogeneous adoption of generative AI and its "organizational transmission" within firms. First, I show that the share of active (occasional) AI users grew from 9% to...

This study investigates the impact of new digital technologies on the resilience of firms to external shocks. Using rare comprehensive data on both the adoption of single and multiple new digital technologies, we employ a Difference-in-Differences methodology with propensity score matching to...

We study how low and medium-skilled refugee immigration affects natives' labor market outcomes. Using individual-level panel data on the German workforce for 2011-2019 and exogenous regional variation from processing authorities' distances, we find that a larger inflow of refugees to a district...

This study investigates the relationship between Artificial Intelligence (AI) and innovation inputs in Spanish manufacturing firms. While AI is increasingly recognized as a driver of productivity and economic growth, its role in shaping firms' innovation strategies remains underexplored. Using...