Das Coronavirus hat viele alte Gesetzmäßigkeiten in Frage gestellt. Das gilt auch für die Vermessung ökonomischer Aktivitäten. Verfahren aus der Hochzeit der Industrialisierung werden dem strukturellen Wandel zunächst zu einer Dienstleistungsgesellschaft, später zu einer Digitalwirtschaft...

Information aggregation mechanisms are designed explicitly for collecting and aggregating dispersed information. An excellent example of the use of this "wisdom of crowds" is a prediction market. The purpose of our Twitter-based prediction market is to suggest that carefully designed market...

Poor sanitation, including the lack of clean functioning toilets, is a major factor contributing to morbidity and mortality from infectious diseases in the developing world. We examine correlates of latrine ownership in rural India with a focus on social network predictors. Participants from 75...

It is well established in the literature that customer retention is at least as important as customer acquisition, especially in the freemium-based virtual economy, in which individuals are connected by multi-relational social networks, such as the “friendships” and “guilds” (virtual...