This study investigated how changing the mode of incentive administration between two panel waves, spaced six months apart, affected longitudinal survey response. A split-ballot incentive experiment was used to compare shifting from an unconditional pre-paid incentive mode in the first wave to a conditional post-paid mode in the second wave, versus consistently using a conditional post-paid mode across ...
[English subtitles, German language video] The Firms and Markets Department at DIW Berlin researches how market rules and their enforcement strengthen competition and the economy. The focus is on business decisions, consumer preferences, and the impact of policy interventions. Using modern methods, the team provides important insights for fair and efficient economic policy—from digitalization to...
Due to recent conflicts and humanitarian issues, millions of people have sought asylum in countries in Europe. The influx of asylum seekers has sparked debates about the impacts of such migratory flows on resident populations. We study how the recent migration of these forcibly displaced people into Europe affects the mental health of the receiving country residents in Switzerland and Germany. We exploit ...
