COVID-19 known as a novel Coronavirus in entire world when first case of acute pneumonia found in Wuhan, China in 2019 with severe viral infection. Coronavirus have been still able to maintain its fear and panic among in every country and every individual. At a side where macroeconomics is...

Cooperation can be achieved via incentives from future interactions, specifically in the case of public monitoring. But, today, our social and professional spheres keep shifting rapidly and we interact often with strangers. We are interested in such sporadic interactions which can be modeled as...

Despite the vast literature on the energy-efficiency gap, there is a general dearth of investment models which incorporate the consumer's temporal freedom in the investment decision. Focusing on the building sector, we formulate optimal investment in energy efficiency as a problem of wealth...

Willingness to vaccinate and test are critical in the COVID-19 pandemic. We study the effects of two measures to increase vaccination and testing: "choice architecture" and monetary compensations. Choice architecture has the goal of "nudging" people into a socially desired direction without...

Willingness to vaccinate and test are critical in the COVID-19 pandemic. We study the effects of two measures to increase vaccination and testing: "choice architecture" and monetary compensations. Choice architecture has the goal of "nudging" people into a socially desired direction without...

Die Worte Wettbewerb und Gemeinwohl kommen im Grundgesetz nicht vor. In ständiger Rechtsprechung betont das Bundesverfassungsgericht, dass das Grundgesetz keine Entscheidung über die deutsche Wirtschaftsverfassung getroffen hat. Gleichwohl hat das Gericht häufig über das Verhältnis von...

Auf der Basis eines mittels einer Onlinebefragung erhobenen Datensatzes wird auf der Basis der haushalts- bzw. konsumgütertheoretischer Überlegungen und verhaltenstheoretischer Konzepte untersucht, wie der Umfang der von ehrenamtlich Engagierten in Fußballvereinen geleisteten Arbeit von der...

Adolescent fertility in low- and middle-income countries presents a severe impediment to development and can lead to school dropout, lost productivity, and the intergenerational transmission of poverty. However, there is debate about whether adolescent pregnancy is a problem in and of itself or...

When choice options are complex, policy makers may seek to reduce decision making errors by making a high quality option the default. We show that this positive effect is at risk because such a policy creates incentives for decision makers to "drop out" by paying no attention to the decision and...

Social media offer many opportunities for organizations but present, at the same time, many challenges, too. Particular attention must be paid to the new patterns of behavior emerging in organizations. We argue that these patterns derive both from the technical characteristics of the virtual...