publication

Effectiveness of WhatsApp for Measuring Migration in Follow-Up Phone Surveys. Lessons from a Mode Experiment in Two Low-Income Countries during COVID Contact Restrictions

Phone surveys have increasingly become important data collection tools in developing countries, particularly in the context of sudden contact restrictions due to the COVID-19 pandemic. So far, there is limited evidence regarding the potential of the …

How to Predict Future Migration: Different Methods Explained and Compared

Phone surveys have increasingly become important data collection tools in developing countries, particularly in the context of sudden contact restrictions due to the COVID-19 pandemic. So far, there is limited evidence regarding the potential of the …

Raising Awareness About the Risk of Irregular Migration: Quasi-Experimental Evidence from Guinea

In response to mounting evidence of harm inflicted on irregular migrants along their journeys from West Africa to Europe, international organizations, civil society organizations, and governments have scaled up campaigns as a tool for raising …

Measuring migration 2.0: a review of digital data sources

In response to mounting evidence on the dangers of irregular migration from Africa to Europe, the number of information campaigns which aim to raise awareness about the potential risks has rapidly increased. Governments, international organizations …

The effect of peer-to-peer risk information on potential migrants - Evidence from a randomized controlled trial in Senegal

In response to mounting evidence on the dangers of irregular migration from Africa to Europe, the number of information campaigns which aim to raise awareness about the potential risks has rapidly increased. Governments, international organizations …

Corruption and the Desire to Leave Quasi-Experimental Evidence on Corruption as a Driver of Emigration Intentions

Whether and to what extent corruption drives emigration has received growing attention in the literature in recent years, yet the nature of the relationship remains unclear. To test causal claims, we rely on representative global survey data of more …

Linking Migration Intentions with Flows: Evidence and Potential Use

In the absence of reliable, internationally available migration flow data necessary for statistical forecasting, policymakers increasingly turn to survey data on emigration intentions to evaluate future migration trends. The important assumption – …

Ride with Me—Ethnic Discrimination, Social Markets, and the Sharing Economy

We study ethnic discrimination in the sharing economy using the example of online carpooling marketplaces. Based on a unique data set of 16,624 real rides from Germany, we estimate the effects of drivers’ perceived name origins on the demand for …

The optimism trap: Migrants’ educational choices in stratified education systems

Immigrant children's ambitious educational choices have often been linked to their families' high level of optimism and motivation for upward mobility. However, previous research has mostly neglected alternative explanations such as information …

Setting the bar - An experimental investigation of immigration requirements

We examine determinants of immigration requirements in a public goods game experiment with endogenous groups. Initially, the game consists of in-group players who enjoy an existing public good and out-group players who may subsequently enter the …