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From Moderates to Extremes: How Immigration Polarizes American Politics

Matzat, Johannes; Dreher, Axel; Langlotz, Sarah; … - 2026

Persistent link: https://econbiz.de/10015615943

Political Ideologies, Redistribution and Local (Mis-)Perceptions of Migrant Stocks and Flows

Langlotz, Sarah; Matzat, Johannes; Dreher, Axel; … - 2026

Persistent link: https://econbiz.de/10015616070

From moderates to extremes : how immigration polarizes American politics

Matzat, Johannes; Dreher, Axel; Langlotz, Sarah; … - 2026

We provide causal evidence that immigration has contributed to the polarization of American politics. Using an ancestry-based shift-share instrument, we study immigration flows into U.S. counties between 1992 and 2016. Counties exposed to larger immigrant inflows become more polarized both in...

Persistent link: https://econbiz.de/10015586704

Political ideologies, redistribution and local (mis-)perceptions of migrant stocks and flows

Langlotz, Sarah; Matzat, Johannes; Dreher, Axel; … - 2026

Do factual immigration updates shift societal concerns across political ideologies? Conducting an online experiment in the lead-up to the 2024 U.S. Presidential Election, respondents provided local immigrant stock and flow estimates before being randomized to receive realistic information on...

Persistent link: https://econbiz.de/10015586923

Refineries, pipelines and petroleum fields : the impact of oil on conflict around the world

Dreher, Axel; Pan, Jingke; Herrmann, Maximilian - 2026

We study how global oil price shocks affect the spatial distribution of violent conflict. Combining monthly georeferenced data on oil infrastructure with conflict events worldwide over 1989-2021, we exploit exogenous variation in world crude oil prices within countries using grid-cell and...

Persistent link: https://econbiz.de/10015665344

Foreign Aid and Targeted Political Violence

Dreher, Axel; Pan, Jingke; Schneider, Christina - 2025

Persistent link: https://econbiz.de/10015434617

Wedded to prosperity? Spousal favoritism in foreign aid and regional development

Bomprezzi, Pietro; Dreher, Axel; Fuchs, Andreas; … - 2025

Persistent link: https://econbiz.de/10015616133

Foreign aid and targeted political violence

Dreher, Axel; Pan, Jingke; Schneider, Christina - 2025

Elections in fragile democracies are not merely contests over policy but battles for control over state resources, including foreign aid. Aid provides local governments with substantial discretionary funds, creating strong incentives for rent-seeking political actors to capture political office....

Persistent link: https://econbiz.de/10015421164

Wedded to prosperity? : spousal favoritism in foreign aid and regional development

Bomprezzi, Pietro; Dreher, Axel; Fuchs, Andreas; … - 2025 - Original version: February 2024, this version: October 2025

This paper examines the influence of political leaders' spouses on resource allocation and regional development. We construct two new global datasets: one tracking leaders' and spouses' characteristics and one that geocodes aid projects, including new data from the United States and 18 European...

Persistent link: https://econbiz.de/10015608035

Wedded to prosperity? : Informal influence and regional favoritism

Bomprezzi, Pietro; Dreher, Axel; Fuchs, Andreas; … - 2024

We investigate the informal inﬂuence of political leaders’ spouses on the subnational allocation of foreign aid. Building new worldwide datasets on personal characteristics of political leaders and their spouses as well as on geocoded development aid projects (including new data on 19...

Persistent link: https://econbiz.de/10014485639