Smartphone app designers often use behavioral design to influence users, increase sales, and boost advertising revenue. Behavioral design relies on elements ranging from app appearance to black-box algorithms and personalization. It commonly exploits behavioral biases, such as the lack of...

Das Lesen von Newsfeeds wird immer populärer, obwohl digitale Medien zunehmend für Nutzer_innen verborgene Risiken, wie z.B. die Anwendung von verhaltensbeeinflussenden Designelementen, beinhalten. Um den Einfluss solcher Designelemente zu erforschen, widmet sich diese Studie, als Vorstudie...

I estimate permanent and transitory tax-price and income elasticity of charitable giving in Germany using a rich panel data of tax return for the years 2001-2006. Income tax reforms were implemented in 2004 and 2005. The results suggest that the permanent tax-price elasticity varies...

In a large-scale natural field experiment, we partnered with a micro-lending company in Kyrgyzstan that asked over 180,000 of its clients for donations to social projects as a form of corporate philanthropy. In a 2x2 design, we explored two main (pre-registered) hypotheses about giving by the...

Using data from the Survey of Health, Ageing and Retirement in Europe (SHARE, 2004-17) and time diaries from Poland (2013), the U.S. (2006-16), the U.K. (2014-15) and France (2009-10), we examine differences between widowed and partnered older women in well-being and its development in...

Does online fundraising increase charitable giving? Using the Facebook advertising tool, we implemented a natural field experiment across Germany, randomly assigning almost 8,000 postal codes to Save the Children fundraising videos or to a pure control. We studied changes in the donation revenue...

Does online fundraising increase charitable giving? Using the Facebook advertising tool, we implemented a natural field experiment across Germany, randomly assigning almost 8,000 postal codes to Save the Children fundraising videos or to a pure control. We studied changes in the donation revenue...

When asking for donations, charitable organizations often use suggestions concerning the amount of potential contributions. However, the evidence concerning the effects of such suggestions is scarce and inconsistent. Unlike the majority of existing studies concerned with small-money...

Using a sample of Europeans aged 50+ from twelve countries in the Survey of Health, Ageing and Retirement in Europe (SHARE) we analyse the role of poor material conditions as a determinant of changes in health over a four-year period. We find that poverty defined with respect to relative incomes...