While results from individual Randomized Controlled Trials (RCTs) often do not hold beyond their setting, the accumulation of many RCTs can be used to guide policy. But how many studies are required to confidently generalize? Our paper examines construct validity, an often neglected yet...

While results from individual Randomized Controlled Trials (RCTs) often do not hold beyond their setting, the accumulation of many RCTs can be used to guide policy. But how many studies are required to confidently generalize? Our paper examines construct validity, an often neglected yet...

We use process tracing to test the hypothesis of a specific strategy in the process of discussing and enacting a policy agenda. Our case study is Colombia, where the trace of events and milestones allow us to detect the strategy followed in implementing neoliberal reforms during the 1980s-2000s....

The study measures scientists' polarization on social media and its impact on public perceptions of their credibility. Analyzing 98,000 scientists on Twitter from 2016 to 2022 reveals significant divergence in expressed political opinions. An experiment assesses the impact of online political...

Die Wirtschaft in den Industrieländern unterliegt einem ständigen Anpassungsdruck. Wichtige aktuelle Treiber des Strukturwandels sind vor allem die Globalisierung, der technologische Fortschritt (insbesondere durch Digitalisierung und Automatisierung), die Demographie (durch Alterung und...

The study measures scientists’ polarization on social media and its impact on public perceptions of their credibility. Analyzing 98,000 scientists on Twitter from 2016 to 2022 reveals significant divergence in expressed political opinions. An experiment assesses the impact of online political...