Despite numerous studies on the social and political impact of refugees in Europe, we have very little systematic evidence on the impact of refugee settlement on social cohesion in the developing world. Using data gathered in Northern Lebanon, we show that increased salience of the "refugee...

We study a form of threshold matching where donations above a certain threshold are topped up with a fixed amount. We show theoretically that threshold matching can induce crowding in if appropriately personalized. In a field experiment, we explore how thresholds should be chosen depending on...

Subnational groups employ a variety of strategies to contest governments. While democratic states offer a broader array of accessible options, autocratic regimes are more difficult to contest via conventional means. Why do subnational groups stage sovereignty referendums across regime types? Our...

Bayes' statistical rule remains the status quo for modeling belief updating in both normative and descriptive models of behavior under uncertainty. Some recent research has questioned the use of Bayes' rule in descriptive models of behavior, presenting evidence that people overweight 'good news'...

Die vorliegende Untersuchung veranschaulicht die Bedeutung der 50 größten Unternehmen in Berlin mit Fokus auf ihre Beschäftigungsstrukturen. Haben sie ihren Hauptsitz in Berlin? Gibt es Branchenschwerpunkte? Wer sind die Eignerinnen und Eigner der Firmen? Welche Rolle spielt die...

Does online fundraising increase charitable giving? We implemented a natural field experiment across Germany, randomly assigning all of the country's 8,000 zip codes to Save the Children Facebook fundraising videos or a pure control and studied changes in the volume of donations to this and...

Poverty trap models are dynamical systems with more than one attractor. Similar dynamical systems arise in optimal growth and macroeconomic models. These systems are often studied empirically by ad hoc methods relying on intuition from deterministic systems, such as looking for multiple peaks in...

This report describes the design, data, and main results of an online survey (i.e., the "Judging Without Knowing" survey) that was conducted between October 2017 and June 2018 with more than 2,000 registered members on Clickworker (a commercial survey company in Germany). The survey was...

China has recently taken the lead in fostering several new multilateral initiatives which mirror the policy tasks of existing institutions. This article provides a framework for studying such 'parallel institutions' and sketches an emerging research agenda. First, it provides an empirical...

Aushandlungsprozesse im Energiebereich bilden oftmals Kristallisationspunkte für Gemeinwohlkonflikte. In den Auseinandersetzungen um konkrete EnergieinfrastrukturProjekte wird darum gerungen, welche Interessen als Interessen der Allgemeinheit und damit als legitime Interessen anerkannt werden...